New-York tribune., 1907-04-15
CHEMIST TESTS MILK.
FAVORS PASTEURTZED.
Dr. ID. ID. Jackson Makes Reports on
FrDeyiWentS.

The chemist in charge OF the Mount Prospect Lab
oratory in Brooklyn. DR.. Daniel D. Jackson. has
made semitic examination of milk TO determine
whether the pure milk or the pasteurized IS
better adapted for the Of infants Dr. jackson
was in favor Of pure raw milk He believed the
product fresh healthy COW. all conditions
being cf the best was what the children of the
greater city should have. DR.. Jackson was in SYM
psthy with the theory that pure food for any pur-
pose TO be preferred TO that treated TO insure
safety. He believed that authoritative inspection
Of cattle and daries would produce a race of cows
ard workers among the dairies that would make
the supply OF milk for this city little short OF per-
fection.
The doctors investigations in the laboratory in
Brooklyn have resulted in a change of opinion 1t
has taken him the greater part of year TO arrive
at this conclusion, which is embodied in a report
as follows:
In carrying out the experiments on this subject
(milk) il is assumed ;hat the ordinary intestlnaI
germ bacillus coli sG1s N pTaSG5aS aoi5 Sver tne a6d o
other Intestinal diseases The experiments were
made with this particular bacterium on account of
miIE Fresh milk "a winch the germ had been
added. examined. snd portion of Il allowed to
stand over different periods of time. Anotner por-
zion containing the germ was pasteurized and eX-
aInined over the same periods Of time.
In the first experiment the milk was heateq ITO 70
degree OF temperature was too low, and the mites
tinal germs. well the ordinary bacteria m
creased fully as much IN tle heateu iiliih d. -
did in the unheated milk , =.
the proper degree O6O degrees Fahrenheit for
twenty minutes and then chilled 10 80 degrees
Fahrenheit and kept at that temperature. The uil-
pasteurized milk showed the presence OF lhlesll.dt
germs during The PERIODS on g 5ii roh
ably 10 the increasing acidty OF the milk In me ne
were entirely destroyed. and did not develop even
after the ordinary bacteria had reached q point
much above the number originally in the mix.
IN the third experiment the milk was pasteurlzed
and portion kept al room temperature e. WIZ VIZ
heit AS in previous experiments, the results results
showed that pasteuTization Killed on an li.eslil id
even when the milk was kept at room tenller,ature'
and al the time increased IN ordinary aIIl- III
cubic centimetre. The experiments also shoNe9
the greater keeping qualities IN the mllk stored
IN the ice chest that which was kept al room
- q evident that paseurization. when properly
carried out not only imparts keeping quailu@es @ 20
the milk but also insuTes against eroTll Si 0l x and
III +ynhod fever and other intestinal diseases, az
y s ~ 3 o,I,4 diseases contracted from milk.
From nv investigations. embodied in charts
have found that a high death rate occurs oo1i u
Msna6 F age .i from intestinal diseases during the
hottest weeks Of summer reachnls lIoia [ yt,e a.
s5,ties of flies and other communicating agents OF
would unQuestionably have decided eTGt at
ducing this abnormal death ra'e "oiN
diseases
This is in line with the discoveries Of the experts
eroploved by Nathan Straus. Mr.. Strauss chem
ssts have shown with carefully prepared data thaI
the only way TO protect chlldreh IN lli1s Si'! I'm
intestinal diseases is by means Of pasteuriza'leh
The action Of Mr.. Straus in establishing his sta
4ions was not based upon ephemeral judgment
The men IN charge of his work believe that the
opposition 10 pasteuriZation is purely commercial
The Investigations Of Alderman Leonard JACOB
SON. the chairman OF the Health Committee & oI the the
Board Of Aldermen, who IS n doctor and disclalfnS
any other interest than that Of wishing 70 serve
the city. has shown him the necessity or lnspec-
ton as auxiliary pasteuriZation.
Alderman jacobson believes that the milk supply
Of this city should from daiTies that meet
with the approval Of the Department Of Health.
Then. when the that furnish the milk are
free from disease. and the men who handle the
supply are healthy. the condition OF the mllk as
received in this city should determine whether II
h,ofrlIl Ia mas fpfrf cd