Document:

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                                                                   Exhibit 10.50

                        AMENDED AND RESTATED CONSOLIDATED
                       MULTIPLE ADVANCE NON-REVOLVING NOTE

         FOR VALUE RECEIVED, Bionutrics, Inc., a Nevada corporation
("Borrower"), hereby promises to pay to the order of William McCormick, as agent
("Agent"), for the ratable benefit of HealthSTAR Holdings, LLC ("Holdings"),
Ropart Investments, LLC, Xiagen Ltd., Ronald H. Lane, William McCormick, Fred
Rentschler, William J. Rittger and any other party who signs this Note as a
lender (collectively, "Lenders"), at the office of Agent located at c/o
Inverness, 660 Steamboat Road, Greenwich, Connecticut 06830 or at such other
place as Agent may designate, on January 2, 2002, or earlier as required herein
(the "Maturity Date"), the sum of Eight Hundred Forty Thousand Dollars
($840,000.00) or such lesser sum as from time to time shall be outstanding
hereunder, as reflected in the books and records of Agent, such sum to include
the Accreted Interest (defined below), and, to the extent applicable, shall pay
the Default Interest Rate specified below, in accordance with the following
terms and conditions:

         1.       BACKGROUND.

                  (a)      Pursuant to the Amended and Restated Loan and Stock
Pledge Agreement of even date herewith executed by Borrower, Lenders and Agent
(the "Loan Agreement"), Lenders have agreed at their discretion to make a
multiple advance loan to Borrower in an amount not to exceed Seven Hundred
Thousand Dollars ($700,000.00) (the "Loan") with Holdings commitment limited to
One Hundred Seventy-Five Thousand Dollars ($175,000) of the Loan amount.

                  (b)      Pharmaceutical Marketing Brands, Inc. has assigned to
HealthSTAR Holdings LLC all of its right, title and interest in and to that
certain promissory note dated September 7, 2001 in the original principal amount
of $400,000 executed by Borrower in favor of Pharmaceutical Marketing Brands,
Inc. pursuant to which $150,000 has been advanced as of the date hereof.

                  (c)      This Amended and Restated Consolidated Multiple
Advance Non-Revolving Note (this "Note") consolidates the unpaid principal
balance of (i) that certain promissory note dated September 7, 2001 in the
original principal amount of Four Hundred thousand Dollars ($400,000) with
unpaid principal balance of One Hundred Fifty Thousand Dollars ($150,000)
executed by Borrower in favor of Pharmaceutical Marketing Brands, Inc. and (ii)
that certain multiple advance non-revolving note dated June 20, 2001 executed by
Borrower in favor of Ropart Investments, LLC, Xiagen Ltd., Ronald H. Lane,
William McCormick, Fred Rentschler, and William J. Rittger with unpaid principal
balance of Four Hundred Thirty-Three Thousand Dollars ($433,000) (collectively,
the "Original Notes").

                  (d)      This Amended and Restated Consolidated Multiple
Advance Non-Revolving Note (this "Note") replaces the Original Notes and this
Note shall fully supercede the provisions of the Original Notes but does not
constitute an accord and satisfaction, a novation or other extinguishments of
the obligations of Borrower under the Original Notes.

                  (e)      This Note is executed pursuant to the Loan Agreement.
<PAGE>
                  (f)      Borrower's obligations under the Loan are secured by
the collateral described in the Loan Agreement and by that certain Amended and
Restated Security Agreement of even date herewith by and between Borrower,
Agent, and Lenders.

                  (g)      The Loan Agreement contains additional terms relating
to the Loan.

         2.       CONTRACTED FOR RATE OF INTEREST. The contracted for rate of
interest of the indebtedness evidenced hereby, without limitation, shall consist
of the following:

                  (a)      The Accreted Interest, which shall be equal to the
original issue discount between the date of issuance and the date of payment
based on the advances made under this Note from time to time outstanding such
that the Accreted Interest shall be equal to $140,000 if the full $700,000 is
advanced pursuant to the Loan;

                  (b)      The Default Interest Rate (as hereinafter defined),
as from time to time in effect, calculated daily on the basis of actual days
elapsed over a 365-day year, applied to the principal balance from time to time
outstanding hereunder; and

                  (c)      All Additional Sums (as hereinafter defined), if any.

Borrower agrees to pay an effective contracted for rate of interest which is the
sum of the Accreted Interest referred to in subsection 2(a) above, plus any
additional rate of interest resulting from the application of the Default
Interest Rate referred to in subsection 2(b) above, and the Additional Sums, if
any, referred to in subsection 2(c) above.

         3.       DEFAULT INTEREST RATE. The Default Interest Rate shall be a
per annum rate equal to 25%. The principal balance outstanding hereunder from
time to time shall bear interest at the Default Interest Rate from the date of
the occurrence of an Event of Default (as hereinafter defined) until the earlier
of: (a) the date on which the principal balance outstanding hereunder, together
with all Accreted Interest and other amounts payable hereunder, are paid in
full; or (b) the date on which such Event of Default is timely cured in a manner
satisfactory to Agent. The Default Interest Rate shall be payable on the fifth
(5th) day of each month.

         4.       PRINCIPAL BALANCE. The principal balance outstanding hereunder
at any time shall be the total amount of advances made hereunder by Lenders less
the total amount of payments of principal hereon as reflected in the books and
records of Agent with respect to the indebtedness evidenced hereby.

         5.       AGGREGATE OF ADVANCES. Borrower and Lenders contemplate a
series of discretionary advances from time to time hereunder, even if the
principal balance outstanding hereunder has previously been reduced to zero;
provided, however, such advances in the aggregate shall not exceed the principal
amount first set forth above. Lenders shall at their discretion make any advance
requested by Borrower in accordance with this Note as long as no Event of
Default exists on the date of such request. Such advances shall be on a
nonrevolving basis and any reduction in the principal balance outstanding
hereunder shall not entitle Borrower to any additional advance to the extent
such additional advance in the aggregate with all prior advances hereunder would
exceed the principal amount first set forth above.

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         6.       REQUESTS FOR ADVANCES AND DISBURSEMENT OF ADVANCES. When
Borrower desires an advance under the Loan, Borrower shall make a written
request to Agent for such an advance. Such request shall specify the amount of
the advance and the date of disbursement. Agent shall immediately communicate
Borrower's request to each of the Lenders and Lenders shall at their discretion
make available to the Agent the appropriate amount of funds to satisfy the
disbursement request of Borrower. Agent shall remit the appropriate amounts to
Borrower on the date requested by Borrower. Lenders except for Holdings shall
agree among themselves as to the amount to be advanced by each. Holdings shall
determine at its discretion when and if to advance the remaining Twenty-Five
Thousand Dollars ($25,000) it is committed to advance under the terms hereof.

         7.       PAYMENT. This Note shall be payable in full on the earlier of
(i) January 2, 2002; (ii) the funding of any loan or loans in cumulative amounts
in excess of one million dollars; or (iii) the issuance by the Borrower of any
common stock or preferred stock in cumulative amounts in excess of one million
dollars (iv) the consummation of any corporate transaction including, but not
limited to, the sale of any assets, or the sale of the assets or stock of its
subsidiary, InCon Technologies, Inc. for an amount equal to at least two million
dollars. Payments received by Agent with respect to the indebtedness evidenced
hereby shall be applied in such order and manner as Agent in his sole and
absolute discretion may elect. Payments hereunder shall be made at the address
for Agent first set forth above, or at such other address as Agent may specify
to Borrower in writing.

         8.       PREPAYMENTS. Payments may be made at any time, or from time to
time, in whole or in part, without penalty, together with all previously matured
Accreted Interest and other charges accrued to the date of prepayment.
Notwithstanding any prepayment hereof: (a) there will be no change in the due
date or amount of scheduled payments due hereunder unless Lenders unanimously
agree in writing to such change; and (b) Borrower's obligations hereunder shall
continue in effect and this Note shall remain outstanding, unless and until (i)
the principal balance outstanding hereunder, together with all Accreted Interest
and other amounts payable hereunder or in any of the Loan Documents, are paid in
full, and (ii) thereafter, upon Borrower's request, Agent delivers to Borrower
the original executed copy of this Note marked "cancelled."

         9.       EVENTS OF DEFAULT; ACCELERATION. The occurrence of any one or
more of the following events shall constitute an "Event of Default" hereunder,
and upon such Event of Default, the entire principal balance outstanding
hereunder, together with all Accreted Interest and other amounts payable
hereunder, at the election of Agent, shall become immediately due and payable,
without any notice to Borrower:

                  (a)      Nonpayment of principal, interest or any other
amounts when the same shall become due and payable hereunder;

                  (b)      The failure of Borrower to comply with any provision
of this Note, the Loan Agreement or any of the other documents executed in
connection with the transaction contemplated by the Loan Agreement
(collectively, the "Loan Documents"); or

                  (c)      The appointment of (or application for appointment
of) a receiver of Borrower or any other person or entity who is or may become
liable hereunder, or the involuntary filing against or voluntary filing by
Borrower, or any other person or entity who is or may become

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liable hereunder, of a petition or application for relief under federal
bankruptcy law or any similar state or federal law, or the issuance of any writ
of garnishment, execution or attachment for service with respect to Borrower or
any person or entity who is or may become liable hereunder, or any property of
Borrower or property of any person or entity who is or may become liable
hereunder.

         10.      ADDITIONAL SUMS. All fees, charges, goods, things in action or
any other sums or things of value, other than the interest resulting from the
Accreted Interest and the Default Interest Rate, as applicable, paid or payable
by Borrower (collectively, the "Additional Sums"), whether pursuant to this
Note, the Loan Documents or any other document or instrument in any way
pertaining to this lending transaction, or otherwise with respect to this
lending transaction, that, under the laws of the State of Arizona, may be deemed
to be interest with respect to this lending transaction, for the purpose of any
laws of the State of Arizona that may limit the maximum amount of interest to be
charged with respect to this lending transaction, shall be payable by Borrower
as, and shall be deemed to be, additional interest, and for such purposes only,
the agreed upon and "contracted for rate of interest" of this lending
transaction shall be deemed to be increased by the rate of interest resulting
from the Additional Sums. Borrower understands and believes that this lending
transaction complies with the usury laws of the State of Arizona; however, if
any interest or other charges in connection with this lending transaction are
ever determined to exceed the maximum amount permitted by law, then Borrower
agrees that: (a) the amount of interest or charges payable pursuant to this
lending transaction shall be reduced to the maximum amount permitted by law; and
(b) any excess amount previously collected from Borrower in connection with this
lending transaction that exceeded the maximum amount permitted by law, will be
credited against the principal balance then outstanding hereunder. If the
outstanding principal balance hereunder has been paid in full, the excess amount
paid will be refunded to Borrower.

         11.      CONVERSION OF NOTE.

                  (a)      CONVERSION PRICE. At any time prior to the close of
business on the business day immediately prior to the Maturity Date, this Note
is convertible in whole, but not in part, at the option of the Lenders, into
shares of the Borrower's common stock, par value $.001 per share (the "Common
Stock") at the rate of One Dollar and Zero Cents ($1.00) per share (the
"Conversion Price"), subject to adjustment as provided in Section 11(b) or 11(c)
hereof. Notwithstanding the foregoing, Borrower shall not be required to issue
fractional shares of Common Stock or other capital stock upon conversion of this
Note and, in lieu thereof, shall pay a cash adjustment based upon the then fair
market value of the Common Stock based on the average closing price on the OTC
Bulletin Board for the five trading days preceding the last business day
immediately prior to the date of conversion.

                  (b)      ADJUSTMENT BASED UPON COMBINATION OF SHARES OR
RECAPITALIZATION. The Conversion Price shall be adjusted in the event that
Borrower shall at any time (i) pay a dividend or make a distribution on Common
Stock in shares of Common Stock, (ii) subdivide or reclassify its outstanding
Common Stock into a greater number of shares, or (iii) combine its outstanding
shares of Common Stock into a smaller number of shares. Upon the occurrence of
any of the foregoing events, the Conversion Price shall be adjusted so that the
Lenders, upon surrender of this Note for conversion, shall be entitled to
receive the number of shares of Common Stock or other capital stock of the
Borrower that the Lenders would have owned or have been entitled to receive
after the

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happening of any of the events described above had this Note been converted
immediately prior to the happening of such event.

                  (c)      ADJUSTMENT BASED UPON MERGER OR CONSOLIDATION. In
case of any consolidation or merger to which the Borrower is a party (other than
a merger in which the Borrower is the entity surviving such merger and which
does not result in any reclassification of or change in the outstanding Common
Stock of the Borrower), or in case of any sale or conveyance to another person,
firm, or corporation of the property of Borrower as an entirety or substantially
as an entirety, the Lenders shall have the right to convert this Note into the
kind and amount of securities and property (including cash) receivable upon such
consolidation, merger, sale or conveyance by a holder of the number of shares of
Common Stock into which such Note might have been converted immediately prior
thereto.

                  (d)      EXERCISE OF CONVERSION PRIVILEGE. The conversion
privilege provided for herein shall be exercisable by the Lenders by written
notice to the Borrower or its successor and the surrender of this Note in
exchange for the number of shares of Common Stock (or other securities and
property, including cash, in the event of an adjustment of the Conversion Price
pursuant to Section 11(b) or 11(c) hereof) into which this Note is convertible
based upon the Conversion Price, as adjusted. All conversion rights will expire
at the close of business on the business day immediately prior to the Maturity
Date.

         12.      WAIVERS. Except as set forth in this Note or the Loan
Documents, to the extent permitted by applicable law, Borrower, and each person
who is or may become liable hereunder, severally waive and agree not to assert:
(a) any homestead or exemption rights; (b) demand, diligence, grace, presentment
for payment, protest, notice of nonpayment, nonperformance, extension, dishonor,
maturity, protest and default; and (c) recourse to guaranty or suretyship
defenses (including, without limitation, the right to require Lenders to bring
an action on this Note). Lenders may, if they unanimously agree, extend the time
for payment of or renew this Note, release collateral as security for the
indebtedness evidenced hereby, or release any party from liability hereunder,
and any such extension, renewal, release or other indulgence shall not alter or
diminish the liability of Borrower or any other person or entity who is or may
become liable on this Note except to the extent expressly set forth in a writing
evidencing or constituting such extension, renewal, release or other indulgence.

         13.      COLLECTION COSTS AND EXPENSES. Borrower agrees to pay all
costs of collection, including, without limitation, attorneys' fees, whether or
not suit is filed, and all costs of suit and preparation for suit (whether at
trial or appellate level), in the event any payment of principal, interest or
other amount under the Loan is not paid when due, or in the event it becomes
necessary to protect the Pledged Collateral (as defined in the Loan Agreement),
or to exercise any other right or remedy under this Note, the Loan Agreement or
in the Loan Documents, or in the event Agent or Lenders are made parties to any
litigation because of the existence of this Note, the Loan Agreement or the
other Loan Documents or if at any time Lenders should incur any attorneys' fees
in any proceeding under any federal bankruptcy law (or any similar state or
federal law) in connection with this Note, the Loan Agreement or the other Loan
Documents. In the event of any court proceeding, attorneys' fees shall be set by
the court and not by the jury and shall be included in any judgment obtained by
Agent or Lenders, as applicable.

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         14.      NO WAIVER BY LENDERS. No delay or failure of Lenders in
exercising any right hereunder shall affect such right, nor shall any single or
partial exercise of any right preclude further exercise thereof.

         15.      GOVERNING LAW. This Note shall be governed by and construed
and interpreted in accordance with the laws of the State of Arizona,
notwithstanding any Arizona or other conflict-of-laws provision to the contrary.

         16.      JURISDICTION AND VENUE. Borrower, Agent, and Lenders hereby
expressly agree that in the event any actions or other legal proceedings are
initiated by or against Borrower, Agent or Lenders involving any alleged breach
or failure by any party to pay, perform or observe any sums, obligations or
covenants to be paid, performed or observed by it under this Note, the Loan
Agreement or the other Loan Documents, or involving any other claims or
allegations arising out of the transactions evidenced or contemplated by this
Note, the Loan Agreement or the other Loan Documents, regardless of whether such
actions or proceedings shall be for damages, specific performance or declaratory
relief or otherwise, such actions shall be brought in Maricopa County, Arizona,
or Middlesex County, New Jersey and Borrower, Agent, and Lenders hereby submit
to the jurisdiction of the State of Arizona or New Jersey for such purposes and
agree that the venue of such actions or proceedings shall properly lie in
Maricopa County, Arizona or Middlesex County, New Jersey

         17.      AMENDMENTS. No amendment, modification, change, waiver,
release or discharge hereof and hereunder shall be effective unless evidenced by
an instrument in writing and signed by the party against whom enforcement is
sought.

         18.      PROVISIONS SEVERABLE. The provisions of this Note are
independent of and severable from each other, and no provision shall be affected
or rendered invalid or unenforceable by virtue of the fact that for any reason
any other or others of them may be invalid or unenforceable in whole or in part.
Further, if a court of competent jurisdiction determines that any provision of
this Note is invalid or unenforceable as written, the court may interpret,
construe, rewrite or revise such provision, to the fullest extent allowed by
law, so as to make it valid and enforceable consistent with the intent of the
parties.

         19.      BINDING NATURE. The provisions of this Note shall be binding
upon Borrower and the heirs, personal representatives, successors and assigns of
Borrower, and shall inure to the benefit of Lenders and any subsequent holder of
all or any portion of this Note, and their respective successors and assigns.

         20.      NOTICE. Any notice or other communication with respect to this
Note shall: (a) be in writing; (b) be effective on the day of hand-delivery
thereof to the party to whom directed, one day following the day of deposit
thereof with delivery charges prepaid with a national overnight delivery
service, or two days following the day of deposit thereof with postage prepaid
with the United States Postal Service, by regular first class, certified or
registered mail; (c) if directed to Agent, be addressed to Agent at the address
of Agent first set forth above or to such other address as Agent shall have
specified by like notice; (d) if directed to Borrower, be addressed to Borrower
at the address for Borrower set forth below Borrower's name, or to such other
address as Borrower shall

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have specified by like notice; and (e) if directed to one of Lenders, be
addressed to Lender at the address for that Lender set forth below Lender's
name, or to such other address as Lender shall have specified by like notice.

         21.      SECTION HEADINGS. The section headings set forth in this Note
are for convenience only and shall not have substantive meaning hereunder or be
deemed part of this Note.

         22.      CONSTRUCTION. This Note shall be construed as a whole in
accordance with its fair meaning and without regard to or taking into account
any presumption or other rule of law requiring construction against the party
preparing this Note.

         IN WITNESS WHEREOF, Borrower has executed this Note as of the 26th day
of October, 2001.

                                      "BORROWER"

                                      BIONUTRICS, INC., a Nevada corporation

                                      By:      /s/ Ronald H. Lane
                                         ---------------------------------------
                                      Name:        Ronald H. Lane
                                      Title:       President

                                      Address of Borrower:
                                      2425 East Camelback Road, Suite 650
                                      Phoenix, AZ  85016
                                      Attention:   Ronald H. Lane

                                      "AGENT"

                                      William McCormick

                                       /s/ William McCormick
                                      ------------------------------------------

                                      Address of Agent:
                                      c/o Inverness
                                      660 Steamboat Road
                                      Greenwich, CT  06830

                           ACKNOWLEDGEMENT OF LENDERS

         The Lenders hereby agree to be bound by the terms of this Note.

                                       7
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                                      "LENDERS"

                                      HEALTHSTAR HOLDINGS LLC, as a Lender

                                      By:     /s/ Jerry Brager
                                         ---------------------------------------
                                      Name:       Jerry Brager
                                           -------------------------------------
                                      Title:      Managing Member
                                            ------------------------------------

                                      Address of HealthSTAR Holdings LLC:
                                      100 Woodbridge Center Drive, Suite 202
                                      Woodbridge, NJ  07095

                                      William McCormick, as a Lender

                                        /s/ William McCormick
                                      ------------------------------------------

                                      Address of William McCormick:
                                      c/o Inverness
                                      660 Steamboat Road
                                      Greenwich, CT  06830

                                      Xiagen Ltd., as a Lender

                                      By:     /s/ William McCormick
                                         ---------------------------------------
                                      Name:       William McCormick
                                           -------------------------------------
                                      Title:      Chairman
                                            ------------------------------------

                                      Address of Xiagen Ltd.:
                                      c/o Inverness
                                      660 Steamboat Road
                                      Greenwich, CT  06830

                                      Ropart Investments, LLC, as a Lender

                                      By:     /s/ Robert B. Goergen
                                         ---------------------------------------
                                      Name:       Robert B. Goergen
                                           -------------------------------------
                                      Title:      Managing Member
                                            ------------------------------------

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                                      Address of Ropart Investments LLC:
                                      One East Weaver Street
                                      Greenwich, CT  06831

                                      Frederick B. Rentschler, as a Lender

                                      /s/ Frederick B. Rentschler
                                      ------------------------------------------

                                      Address of Frederick B. Rentschler:
                                      P.O. Box 4710
                                      Cave Creek, AZ  85327

                                      Ronald H. Lane, as a Lender

                                      /s/ Ronald H. Lane
                                      ------------------------------------------

                                      Address of Ronald H. Lane:
                                      2425 East Camelback Road
                                      Suite 650
                                      Phoenix, AZ  85016

                                      William J. Rittger, as a Lender

                                      /s/ William J. Rittger
                                      ------------------------------------------

                                      Address of William J. Rittger
                                      623 Ocean Ave.
                                      Sea Grit, NJ  07650

                                       9
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                                                        , as a Lender
                                      ------------------

                                      ------------------------------------------

                                      Address

                                       10<PAGE>
                                                                   EXHIBIT 10.51

                              AMENDED AND RESTATED
                         LOAN AND STOCK PLEDGE AGREEMENT

         THIS AMENDED AND RESTATED LOAN AND STOCK PLEDGE AGREEMENT (this
"Agreement") is made and entered into as of the 26th day of October, 2001, by
and among Bionutrics, Inc., a Nevada corporation ("Borrower"), HealthSTAR
Holdings, LLC, ("Holdings"), Ropart Investments, LLC, Xiagen Ltd., Ronald H.
Lane, William McCormick, Fred Rentschler, William J. Rittger and any other party
who signs this Agreement as a lender (collectively, "Lenders"), and William
McCormick, as agent for Lenders ("Agent").

                                    RECITALS

         A. Borrower has requested, and Lenders have severally and not jointly
agreed to make, a multiple advance loan to Borrower in an amount not to exceed
Seven Hundred Thousand Dollars ($700,000.00) (the "Loan") (except as limited
herein). Amounts advanced as of the date hereof are set forth on Schedule A,
which may be updated from time to time.

         B. Lenders have requested, and Agent has agreed, that Agent act as
their agent for purposes of administering the Loan and holding the collateral
for the Loan.

         C. Ropart Investments, LLC, Xiagen Ltd., Ronald H. Lane, William
McCormick, Fred Rentschler, and William J. Rittger (the "Original Lenders")
entered into a Loan and Stock Pledge Agreement with Borrower and Agent dated as
of June 20, 2001 (the "Original Loan Agreement").

         D. Pharmaceutical Marketing Brands, Inc. ("PMB") has loaned One Hundred
Fifty Thousand Dollars ($150,000) to Borrower evidenced by a promissory note
dated September 7, 2001 which loan is secured by a security interest in and to
certain of the assets of Borrower pursuant to a security agreement of even date
therewith. PMB has assigned all of its rights, title and interest in and to the
note and security agreement to HealthSTAR Holdings.

         E. Borrower, Agent, and the Original Lenders wish to amend and restate
the Original Loan Agreement and desire to have HealthSTAR Holdings LLC become a
party to this Agreement.

                                    AGREEMENT

         NOW, THEREFORE, in consideration of the premises and of the mutual
covenants set forth in this Agreement, the parties hereby agree as follows:

         1. LOAN. Lenders hereby severally and not jointly agree to make at
their discretion the Loan to Borrower. Borrower shall execute the Amended and
Restated Consolidated Multiple Advance Non-Revolving Note, of even date
herewith, in the maximum principal amount of Five Hundred Twenty-Five Thousand
Dollars ($525,000.00) in favor of Agent, for the ratable (or as agreed upon)
benefit of Lenders except for Holdings and in the maximum principal amount of
One Hundred Seventy-Five Thousand Dollars ($175,000) in favor of Agent for the
benefit of Holdings (the "Note"). In the event Holdings does not advance the
maximum amount of One Hundred
<PAGE>
Seventy-Five Thousand Dollars ($175,000), the other Lenders may make such
advance so long as the maximum principal amount under the Loan does not exceed
Seven Hundred Thousand Dollars ($700,000).

         2.       AGENT.

                  (a) APPOINTMENT OF AGENT. Lenders hereby irrevocably designate
and appoint Agent as the agent of Lenders for purposes of administering the Loan
and holding any collateral for the Loan. Lenders irrevocably authorize Agent to
take such action on their behalf with respect to the Loan and any collateral for
the Loan and to exercise such powers and perform such duties as are reasonably
incidental thereto.

                  (b) EXCULPATORY PROVISIONS. Agent shall not have (i) any
duties or responsibilities, except those expressly set forth herein or in the
Note, or (ii) any fiduciary relationship with any of Lenders. No implied
covenants, functions, responsibilities, duties, obligations or liabilities shall
be read into this Agreement, the Note or the other Loan Documents (as defined in
the Note) or otherwise exist against Agent. Agent shall not be (i) liable to
Lenders for any action lawfully taken or not taken by it under or in connection
with the Loan, or (ii) responsible in any manner to any of Lenders for (x) any
recitals, statements, representations or warranties made by Borrower under or in
connection with the Loan Documents, (y) the value, validity, effectiveness,
genuineness, enforceability or sufficiency of the Note, this Agreement or any
other Loan Document, or (z) any failure of Borrower to perform its obligations
hereunder or thereunder.

                  (c) SUCCESSOR AGENT. Agent may resign upon thirty (30) days'
prior written notice to Borrower and Lenders. If Agent resigns as Agent, then
Lenders during such thirty (30) day period shall appoint a successor agent, the
selection of which they shall unanimously agree upon. Such successor agent shall
succeed to the rights, powers and duties of Agent and the term "Agent" shall
mean such successor agent, effective upon its appointment. The former Agent's
rights, powers and duties as Agent shall be terminated, without any other or
further act or deed on the part of such former Agent, Borrower or Lenders.
Notwithstanding anything herein to the contrary, so long as no Event of Default
(as defined in the Note) shall have occurred and be continuing, the appointment
of each successor Agent shall be subject to the prior approval by Borrower.
Lenders may unanimously agree to replace Agent at any time and select a
Successor Agent.

         3. PLEDGE OF STOCK. Borrower hereby pledges to Agent, for the ratable
benefit of Lenders, and grants to Agent, for the ratable benefit of Lenders, a
security interest in all right, title and interest (legal and equitable) of
Borrower in one hundred (100) shares of common stock, par value $.01 per share,
of InCon Technologies, Inc., a Delaware corporation, which represents all of the
shares of InCon Technologies, Inc. owned by Borrower, represented by stock
certificate No. 1 in the name of Nutrition Technology Corporation, a
wholly-owned subsidiary of Borrower (the "Pledged Shares") and all cash,
instruments and other property or proceeds from time to time received,
receivable or otherwise distributed in respect of or in exchange for any or all
of the Pledged Shares (collectively, the "Pledged Collateral").

                                       2
<PAGE>
         4. SECURITY FOR OBLIGATIONS. This Agreement secures, and the Pledged
Collateral is security for, the full, complete and timely payment, performance
and discharge of Borrower's obligations under the Note, this Agreement and the
Loan Documents.

         5. DELIVERY OF PLEDGED COLLATERAL. Borrower shall deliver to Agent all
certificates representing or evidencing the Pledged Shares and such certificates
shall be accompanied by duly executed instruments of transfer or assignment in
blank, in form and content substantially similar to Exhibit A as attached
hereto.

         6. COMMITMENT OF LENDERS OTHER THAN HOLDINGS. It is the intention of
Lenders other than Holdings that the advances under the Loan to Borrower shall
be made on a pro rata basis by each of Lenders providing its pro rata share of
the requested advance to Agent to be disbursed by Agent to Borrower or in such
other manner as agreed to from time to time. Such advances shall be made at the
sole discretion of each of the Lenders up to the maximum principal amount of
Five Hundred Twenty-Five Thousand Dollars ($525,000) or such greater amount as
provided for herein.

         7. COMMITMENT OF HOLDINGS. Holdings advances under the Loan to Borrower
shall be limited to One Hundred Seventy-Five Thousand Dollars ($175,000),
including amounts advanced to date. Holdings shall determine at its discretion
when and if to advance the remaining Twenty-Five Thousand Dollars ($25,000) it
is committed to advance under the Loan.

         8. BORROWER'S REPRESENTATIONS. Borrower hereby represents and warrants
to Lenders as follows:

                  (a) Borrower has good and marketable title to the Pledged
Collateral, free and clear of all security interests, liens, claims, charges and
encumbrances of any kind or nature whatsoever, subject to the restrictions on
sale imposed by federal securities law;

                  (b) There is no restriction upon the right of Borrower to
transfer the Pledged Collateral to Agent in accordance with this Agreement and
the execution, delivery and performance by Borrower of the Note, this Agreement
or any of the other Loan Documents will not (i) violate, conflict with, result
in a breach of, or constitute a default under any agreement or instrument to
which Borrower is a party or by which Borrower is bound, (ii) result in the
creation or imposition of any lien, charge or encumbrance upon the Pledged
Collateral, except as to the lien created in favor of Lenders by this Agreement,
or (iii) violate any judgment, decree, order or award of any court, governmental
body or arbitrator, or any applicable law, rule or regulation; and

                  (c) This Agreement has been duly and validly authorized,
executed and delivered by Borrower and constitutes the legal and valid binding
obligation of Borrower, enforceable against Borrower in accordance with its
terms.

         9. BORROWER'S COVENANTS. Borrower covenants and agrees that until
Borrower's obligations under the Note, this Agreement or any of the other Loan
Documents have been fully paid and performed, Borrower shall not transfer,
assign, pledge or hypothecate (other than pursuant to this Agreement) or make or
suffer to be made any pledge, hypothecation, mortgage, lien, charge, option

                                       3
<PAGE>
or encumbrance of any kind on or affecting the Pledged Collateral, other than
the lien and security interest created by this Agreement in favor of Lenders.

         10. VOTING RIGHTS. Borrower hereby irrevocably grants, constitutes and
appoints Agent as Borrower's proxy with respect to the Pledged Collateral, with
full power, in the same manner, to the same extent, and with the same effect as
if Borrower was to do the same, to do all things which Borrower can or could do
as a shareholder of InCon Technologies, Inc.; provided, however, that this proxy
shall not be exercisable by Agent and Borrower alone shall have the foregoing
powers, so long as there is no Event of Default under this Agreement. If any
Event of Default occurs, all rights to vote the Pledged Collateral shall
immediately and automatically pass to Agent. Borrower hereby specifically agrees
that the proxy granted hereunder is coupled with an interest and shall be and
remain irrevocable until this Agreement is terminated as provided in this
Agreement.

         11.      REMEDIES.

                  (a) Upon the occurrence of an Event of Default, Agent shall
take such action, or refrain from taking such action, with respect to such Event
of Default as Agent shall deem advisable and in the best interests of each of
Lenders. In accordance with the foregoing, Agent shall be entitled to assert or
enforce any and all rights and remedies available at law or equity, including,
without limitation, all rights and remedies of a secured party under the Uniform
Commercial Code in effect in Arizona at that time. Agent may proceed with such
rights or remedies simultaneously or consecutively, and the choice of one or
more rights or remedies shall not be construed as a waiver or election barring
any other rights or remedies, all of which rights and remedies will, to the
fullest extent permitted by law, be cumulative. Borrower agrees that in the
event notice is necessary under applicable law, any notice delivered to Borrower
in the manner specified in Section 14 hereof shall constitute reasonable notice.

                  (b) In the event of any public or private sale or other
disposition, Agent and Lenders are hereby relieved from any liability or claim
for inadequacy of price, provided that the sale is conducted in a commercially
reasonable manner. At any public sale or other disposition (and at any private
sale, as permitted by applicable law), any one of Lenders may purchase the whole
or any part of the Pledged Collateral or any interest therein being sold. If any
sale or other disposition is made on credit, the Pledged Collateral so sold or
disposed of shall be retained by Agent as security until the selling price is
paid by the purchaser(s). Neither Agent nor Lenders shall have any liability in
the event of failure of the purchaser(s) to take up and pay for the Pledged
Collateral sold. Agent shall have the right to resell the Pledged Collateral in
the event of a default by the purchaser(s). Agent shall give Borrower written
notice, pursuant to Section 14 hereof, at least ten (10) days prior to any sale
or other disposition of the Pledged Collateral, or any part thereof, pursuant to
this Section 11.

                  (c) In the event of any sale of the Pledged Collateral or any
part thereof pursuant to this Section 11, Agent shall apply the net proceeds of
the sale in the following order of priority: (i) first, to the payment of all
costs, expenses, fees and charges, including reasonable attorneys' fees and
legal expenses, incurred by Agent in connection with the collection, sale,
delivery or preservation of the Pledged Collateral on account of the occurrence
of an Event of Default, all of which costs, expenses, fees and charges shall be
deemed to be part of the obligations secured by the

                                       4
<PAGE>
Pledged Collateral; (ii) second, to the obligations under the terms of the Note,
this Agreement and any other Loan Document ratably to the Lenders in accordance
with their respective interests; and (iii) finally, any surplus shall be paid to
Borrower.

         12. INDULGENCES, WAIVERS AND AMENDMENTS. Neither the failure nor the
delay of any party hereto to exercise any right, remedy, power or privilege
under this Agreement or any other Loan Document shall operate as a waiver
thereof, nor shall any single or partial exercise of any right, remedy, power or
privilege preclude any other or further exercise of the same or of any other
right, remedy, power or privilege, nor shall any waiver of any right, remedy,
power or privilege with respect to any occurrence be construed as a waiver of
such right, remedy, power or privilege with respect to any other occurrence. No
waiver shall be effective unless it is in writing and is signed by the party
asserted to have granted such waiver. No amendment, modification, change,
termination, waiver, release or discharge hereof and hereunder shall be
effective unless evidenced by an instrument in writing and signed by the party
against whom enforcement is sought.

         13. TERMINATION; RELEASE OF PLEDGED COLLATERAL. This Agreement and the
lien and security interest granted hereby shall terminate upon the earlier of
(a) the full and complete payment and performance by Borrower of all of its
obligations under the Note, this Agreement and any other Loan Document; (b) the
written agreement of Borrower and each of the Lenders; or (c) the public or
private sale or other disposition of all the Pledged Collateral by Agent
pursuant to Section 11 hereof. When Borrower's obligations under the Note, this
Agreement and the other Loan Documents have been fully and completely paid and
performed, Agent shall immediately deliver to Borrower a release of its interest
in the Pledged Collateral.

         14. NOTICES. Any notice or other communication with respect to this
Agreement shall: (a) be in writing; (b) be effective on the day of hand-delivery
thereof to the party to whom directed, one day following the day of deposit
thereof with delivery charges prepaid with a national overnight delivery
service, or two days following the day of deposit thereof with postage prepaid
with the United States Postal Service, by regular first class, certified or
registered mail; (c) if directed to Agent, be addressed to Agent at the address
of Agent set forth below Agent's name or to such other address as Agent shall
have specified by like notice; (d) if directed to Borrower, be addressed to
Borrower at the address for Borrower set forth below Borrower's name, or to such
other address as Borrower shall have specified by like notice; and (e) if
directed to one of Lenders, be addressed to Lender at the address for that
Lender set forth below Lender's name, or to such other address as Lender shall
have specified by like notice.

         15. GOVERNING LAW. This Agreement shall be governed by and construed
and interpreted in accordance with laws of the State of Arizona, notwithstanding
any Arizona or other conflict-of-laws provision to the contrary.

         16. JURISDICTION AND VENUE. Borrower, Agent and Lenders hereby
expressly agree that in the event any actions or other legal proceedings are
initiated by or against Borrower, Agent or Lenders involving any alleged breach
or failure by any party to pay, perform or observe any sums, obligations or
covenants to be paid, performed or observed by it under the Note, this Agreement
or the other Loan Documents, or involving any other claims or allegations
arising out of the transactions evidenced or contemplated by the Note, this
Agreement or the other Loan Documents,

                                       5
<PAGE>
regardless of whether such actions or proceedings shall be for damages, specific
performance or declaratory relief or otherwise, such actions may be brought in
either Maricopa County, Arizona, or Middlesex County, New Jersey, and Borrower,
Agent, and Lenders hereby submit to the jurisdiction of the State of Arizona and
State of New Jersey for such purposes and agree that the venue of such actions
or proceedings shall properly lie in Maricopa County, Arizona, or Middlesex
County, New Jersey.

         17. COLLECTION COSTS AND EXPENSES. Borrower agrees to pay all costs of
collection, including, without limitation, attorneys' fees, whether or not suit
is filed, and all costs of suit and preparation for suit (whether at trial or
appellate level), in the event any payment of principal, interest or other
amount under the Loan is not paid when due, or in the event it becomes necessary
to protect the Pledged Collateral, or to exercise any other right or remedy
under the Note, this Agreement or in the Loan Documents, or in the event Agent
or Lenders are made parties to any litigation because of the existence of the
Note, this Agreement or the other Loan Documents or if at any time Lenders
should incur any attorneys' fees in any proceeding under any federal bankruptcy
law (or any similar state or federal law) in connection with the Note, this
Agreement or the other Loan Documents. In the event of any court proceeding,
attorneys' fees shall be set by the court and not by the jury and shall be
included in any judgment obtained by Agent or Lenders, as applicable.

         18. ENTIRE AGREEMENT. This Agreement constitutes the entire agreement
and understanding between the parties hereto with respect to pledging the
Pledged Collateral, and supersedes all other prior and contemporaneous
agreements, understandings, inducements and conditions, express or implied, oral
or written, of any nature whatsoever with respect to pledging the Pledged
Collateral. The express terms hereof control and supersede any course of
performance or usage of the trade inconsistent with any of the terms hereof.

         19. INCONSISTENCIES; CONFLICTS. In the event of any conflict or
inconsistency between the terms of the Note, this Agreement and any of the other
Loan Documents, the provisions of this Agreement shall govern and control to the
extent necessary to resolve such conflict or inconsistency.

         20. PROVISIONS SEVERABLE. The provisions of this Agreement are
independent of and severable from each other, and no provision shall be affected
or rendered invalid or unenforceable by virtue of the fact that for any reason
any other or others of them may be invalid or unenforceable in whole or in part.
Further, if a court of competent jurisdiction determines that any provision of
this Agreement is invalid or unenforceable as written, the court may interpret,
construe, rewrite or revise such provision, to the fullest extent allowed by
law, so as to make it valid and enforceable consistent with the intent of the
parties.

         21. COUNTERPARTS. This Agreement may be executed in any number of
counterparts, each of which will be deemed to be an original as against any
party whose signature appears thereon, and all of which will together constitute
one and the same instrument.

                                       6
<PAGE>
         IN WITNESS WHEREOF, the parties hereto have executed and delivered this
Agreement as of the day and year first above written.

                                        "BORROWER"

                                        BIONUTRICS, INC., a Nevada corporation

                                        By:       /S/ RONALD H. LANE
                                        Name:     Ronald H. Lane
                                        Title:    President

                                        Address of Borrower:
                                        2425 East Camelback Road, Suite 650
                                        Phoenix, AZ  85016
                                        Attention:   Ronald H. Lane

                                        "AGENT"

                                        /S/ WILLIAM McCORMICK

                                        William McCormick

                                        Address of Agent:
                                        c/o Inverness
                                        660 Steamboat Road
                                        Greenwich, CT  06830

                                        "LENDERS"

                                        HEALTHSTAR HOLDINGS LLC, as a Lender

                                        By:       /S/ JERRY BRAGER
                                        Name:         Jerry Brager
                                        Title:        Managing Member

                                        Address of HealthSTAR Holdings LLC:
                                        100 Woodbridge Center Drive, Suite 202
                                        Woodbridge, NJ  07095

                                        Ronald H. Lane, as a Lender

                                       7
<PAGE>
                                        /S/ RONALD H. LANE

                                        Address of Ronald H. Lane:
                                        2425 E. Camelback Road
                                        Suite 650
                                        Phoenix, AZ  85016

                                        William McCormick, as a Lender

                                        /S/ WILLIAM McCORMICK

                                        Address of William McCormick:
                                        c/o Inverness
                                        660 Steamboat Road
                                        Greenwich, CT  06830

                                        Xiagen Ltd., as a Lender

                                        By:       /S/ WILLIAM McCORMICK
                                        Name:     William McCormick
                                        Title:    Chairman

                                        Address of Xiagen Ltd.:
                                        c/o Inverness
                                        660 Steamboat Road
                                        Greenwich, CT  06830

                                        Ropart Investments, LLC, as a Lender

                                        By:       /S/ ROBERT B. GOERGEN
                                        Name:     Robert B. Goergen
                                        Title:    Managing Member

                                        Address of Ropart Investments LLC:
                                        One East Weaver Street
                                        Greenwich, CT  06831

                                       8
<PAGE>
                                        Frederick B. Rentschler, as a Lender

                                        /S/ FREDERICK B. RENTSCHLER
                                        ___________________________________
                                        Address of Frederick B. Rentschler:
                                        P.O. Box 4710
                                        Cave Creek, AZ  85327

                                        /S/ WILLIAM J. RITTGER
                                        ___________________________________
                                        William J. Rittger, as a Lender

                                        Address of William J. Rittger
                                        623 Ocean Ave.
                                        Sea Grit, NJ  08750

                                        __________________, as a Lender

                                        ___________________________________
                                        Address of Lender

                                       9
<PAGE>
                                    EXHIBIT A

                      ASSIGNMENT SEPARATE FROM CERTIFICATE

         FOR VALUE RECEIVED, the undersigned does hereby sell, assign and
transfer to _________________________________ _______________________ (_______)
shares of common stock of InCon Technologies, a Delaware corporation (the
"Corporation"), represented by stock certificates No. 1 in the name of Nutrition
Technology Corporation on the books of the Corporation.

         The undersigned does hereby irrevocably constitute and appoint
________________________ as its attorney-in-fact to transfer said stock on the
books of the Corporation with full power of substitution in the premises.

     Dated as of _____________________.

                                          BIONUTRICS, INC., a Nevada corporation

                                          By: __________________________________
                                          Name: ________________________________
                                          Title: _______________________________
<PAGE>
                                   SCHEDULE A

                               (October 24, 2001)

         Ronald H. Lane                              $  70,000
         William McCormick                           $ 125,000
         Frederick Rentschler                        $  25,000
         Xiagen Ltd.                                 $  25,000
         Ropart Investments LLC                      $  88,000
         William J. Rittger                          $ 100,000
         PMB/Holdings                                $ 150,000

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