, 1875-04-23

CHEAP SIRIUS AND SUGARS.
Or whnt We Eat on Our Gr,ddie-
Cakes. |
.Sftfasta I:r:ron. |
Within the last four months ! have received |
for chemical analysis about a dozen specimens |
Of siEup. Some Of the persona wlso sent them
complained that at mails tho throat eore;
others, that something wns The matter with 1t
while two or tlrao suspected all attempt at poi-
sontng. Each specimen, which have thus cx-
amiucd. haA been found to 10 eifup made bv |
tho "sulphuric ac;d proccas," which IN ns fol- |
Iowa: |
a warm f131 deg. Fal,.) mixture Of starch and |
water Of nbout the consistency Of cream, s!ow-
II poured iuto boiling solution Of per ceut
sulphuric acid {oi! Of vtriol), the whole boiied
for homo time: then tho acid ia noutrafized hT
chalk and tho mixture ret aside. When the sed-
ment has sottlcd to tue bottom, tho liquid il
dipoed OF mud boiled down to d sirup. This
syrup may be boi1od down 70 sugar. forming
what is known az grape sugar OF glucose.
Woody fibre may be o,np!o:ed instead o:
starch. For example: take Of linen or calico,
cut into BhredF, two parts. Acd add gradually
three parts Of Bulphuric acid. and lot htand for
. day. Dilute the mixture largely with Nnter
and boil for Il few hours: add ehslk Or carbon
nto Of bariunl to nontralzo tho acid. aud let
There are numerous establishments In tho
ualsed Sta.es Wlerc old starch. filthy rags, and
various knuH Of refuse matter ARC utilized IN
manufacturing this kfud OF sngar eEup. 4
knowledge OF tAeHe almp1e facts will no doubt,
enlisen tho picture, familiar to all, Of the rag
picker--gntbetius from the streets. cutters, mud
lanes, in our large cities tho scra11s OF cloth,
paper, etc., iron! among tile c!gar-Htubs. quids
OF tobacco old bos,&,, rotseu vegetables. and tho
like-the sweopIpga OF stores, bar-roonls snd
Kitchens Especially does the sceue bocomo
interesting, II wo Eolect upon the probability
OF having 4 portion OF these donbly distilled
poison, recttdcd-sweess served at our boarding
houses, with our tea. coffeo. mud blckwiloata.
Tut there arc simple methods of determining tic
| presence of grape sugar. attor which tue only
used is completely .ncntralized By, tic chalk, it
sou,ains FREQ to produce soro tl,roat indigestion,
| aud Inflammation OF tue stomach.
delicate lost for grape sugar is to dissolve
amount Of water. To this solution add four or
tlso drops Of solution of sulpiate OF copper
(blue ylrioI) and II sufficient quantity Of soiu-
tton OF potassa TO turn tho liquid dark blue.
uo obvious change takes place; but WHOM grapec
sugar IL present, Q yelowish7tcd or copper COLI
oroa pree'pisate Of "os1do OF copper ia OBJ
tained. .....
sugar, considerable quantity OF solution Of
calstlc potassB, and warm tho ml1ture. II grape
sugar is there the liquid Ia daskened to M Rmber
or brown color, according to the amount present.
Which has been dipped IN solution Of chloride
Of tin, and dried, turuB brown or black WHOM
dipped III = solution OF grape sugar and hcated
before + fire.
have often tho finest appearance Of any In the
market. White dry Mud wo1! cryBtalltzed Hugara
are always tho safest and best to buy, although
they arc sometimes doctosea with marble dust.
flour, or kaulin.
There arc very fow brown or raw sugars that
are free from Impurities. Of which sand IL prob
ab|y tho prucipa! oue. However good IN edge
II may have set to our teeth. 1t IL to yeEy desr-
dissolviug the sugar III water and examining the
sediment,
Woody fibre from the crushed cane 10 often
founl Ia large quantities. and sometasnes can
be picked out with the fingers. OF course It IL
Tic most unpleasant thing 40 meet In sugars
Is tAs HugAr mite t4lcdrtts saec'.0ri), which aFo
frequently found III vast nu1uberh. Ueal has
pound which he examined. They barrow uuler
Tho skin OF the AAnde OF those who handle the
sugars much, producing Kroccra' Itch.
Sitsogenoua n1attar exists ln exccss In ths
lower grades ct sugar, and that 1t III which sup.
ports tho Acart mud aso fungus germs. Nttro-
Eeoous matter ta very unstable and prone to
decay hence. II brown sugars are used to pre-
servo fruits. tho proserss Ia apt to feEniont
&uA 6Foll. bHup ot pure cGoo huhAl Ii, AuH-
eyor, ono Of this very bert protective molla for
either animal or vegetable substances. Large
qusutities OF grape sugar aro often mixed Wisla
catlssugatH.
or lilo yeafs, moist sugar has boon adul-
tefated with tho ewess waste 1lYuor (solntlou
Of glyceEiuo) Of tlle stoarine manufactures;
but thts adultcration may be detected by ita
moist dirty appearance. Anl ita inferior awset-
ueas.
There are nany other things uacd to increase
tho profit Oh sugars besides tl.oao mentioned,
but this hssty sketch haa alrsAdy exceeded its
allotted SPACE.
Any one Wishing to SOC some at these adul-
tel lstlops, aud w,tncsa tho tests for themselves,
will be welcomed ut the University, any working
afternoon. q. +. BAILEY.
tpsos. haley Is Eocent gsaduato Of tho Unl-
ysts!.y Of Chicago, aud son Of tue l,oy. D1.
Bailey, Of this cIly; and IL nov IN the State
University 1t Lincoln. Mob In. TRlnuNEl