stearin
n . 硬脂;甘油;硬脂酸
硬脂;甘油;硬脂酸
stearin n 1 :
an ester of glycerol and stearic acid Stearin \
Ste "
a *
rin \ (
st [=
e ]"[.
a ]*
r [
i ^]
n ),
n . [
Gr .
ste `
ar tallow ,
suet :
cf .
F .
st ['
e ]
arine .] (
Physiol .
Chem .)
One of the constituents of animal fats and also of some vegetable fats ,
as the butter of cacao .
It is especially characterized by its solidity ,
so that when present in considerable quantity it materially increases the hardness ,
or raises the melting point ,
of the fat ,
as in mutton tallow .
Chemically ,
it is a compound of glyceryl with three molecules of stearic acid ,
and hence is technically called tristearin ,
or glyceryl tristearate .
[
1913 Webster ]
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