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maltobiose 麥芽糖 麥芽糖 maltobiose \mal"to*bi"ose\, a. (Chem.)
Maltose; {malt sugar}. [PJC] Maltose \Malt"ose`\ (m[add]lt"[=o]s`), n. [From {Malt}.] (Biochem.) A crystalline disaccharide ({C12H22O11}) formed from starch by the action of diastase of malt, and the amylolytic ferment of saliva and pancreatic juice; called also {maltobiose} and {malt sugar}. Chemically it is 4-O-[alpha]-D-glucopyranosyl-D-glucose. It rotates the plane of polarized light further to the right than does dextrose and possesses a lower cupric oxide reducing power. [1913 Webster PJC]
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