[Letter from Samuel Lepkowsky to The Emulsol Corporation - May 17, 1932] Page: 1 of 6
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UNIVERSITY OF CALIFORNIA
INSTITUTE OF EXPERIMENTAL BIOLOGY
( 2e te-ber 15, 1932 )
,.ay 17, 1932
The Emulsol Corporation
5 South Wabash Avenue
In connection: 'ith the researc:. urk carried& ~ in
our laboratories on fat .etabjlisr we have used your enarcol,
the glycerine derivative of stearic acid , ich the Dmulso1
Corporation was good enough tr send us. As a rrelinLinary task
in our work, it was necessary to determine the hi cilo oical effect
of erargol her. incorporated in relatively laree czouts in ou-
ncrmal ration :.lae up of purified foodstuffs.
"'e according fed 1iC of m:.rgol in a cr:u 'et vf
low fat cc.teLt, 1--' of emarol relacine ar equal weigFt of this
normal diet which also was fcd at the ~xre tii us a cz;ntrol.
For tLe feelia, tests grous of :t.ree rats weigin: atpr:xi-
nately 4C -- ,. r&r and 21 das of 4ee, Yere fed thn ncr emrgol1
diets'for a period cf e, days. The rat. were oiserved 1urian the
entire ex.eri Le;.ta-. eriod. Their growtn 'as nrr.l, s- n at the ei'
of this period weighed 140 - 160 grams, no difference :eia iscerzb' e
between rat- receiving our nonral itet and those receiving the diet
of the product for feedii purposes, the experiment' ct:,>.t t:e
prduct is not torId iA; iiy at .is high level .
Thankint you for your kir. cooperation, we are,
InstitutE :f Exrime..t7 >-11'
We are accomp anying this letter wi h growth curves ,f Le rats
used in these experiments.
The ccarposition of the diets are listed on ,age two.
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Lepkowsky, Samuel. [Letter from Samuel Lepkowsky to The Emulsol Corporation - May 17, 1932], letter, May 17, 1932; (texashistory.unt.edu/ark:/67531/metapth228737/m1/1/: accessed January 20, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; crediting Moody Medical Library, UT.