dextrin
n . 糊精
糊精
dextrin n 1 :
any of various polysaccharides obtained by hydrolysis of starch ;
a tasteless and odorless gummy substance that is used as a thickening agent and in adhesives and in dietary supplements Dextrin \
Dex "
trin \,
n . [
Cf .
F .
dextrine ,
G .
dextrin .
See {
Dexter }.] (
Chem .)
A translucent ,
gummy ,
amorphous substance ,
nearly tasteless and odorless ,
used as a substitute for gum ,
for sizing ,
etc .,
and obtained from starch by the action of heat ,
acids ,
or diastase .
It is of somewhat variable composition ,
containing several carbohydrates which change easily to their respective varieties of sugar .
It is so named from its rotating the plane of polarization to the right ; --
called also {
British gum }, {
Alsace gum }, {
gommelin }, {
leiocome },
etc .
See {
Achroodextrin },
and {
Erythrodextrin }.
[
1913 Webster ]
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