Digestion of starch and alpha-amylase

Factors affecting relationship between starch and alpha-amylase Amylose and amylopectin, the two families of homopolysaccharides constituting starch, during their biosynthesis within vegetable cells, are deposited in highly organized particles called granules. Granules have a partially crystalline structure and diameter ranging from 3 to 300 ┬Ám. The access of the alpha-amylase, the enzyme that catalyzes the […]

Glycogen: definition, structure and functions

What is glycogen? Glycogen is an homopolysaccharide formed by units of glucose. Chemically similar to amylopectin, and therefore sometimes referred to as animal starch, compared to the latter it is more compact, extensively branched and larger, reaching a molecular weight up to 108 Da corresponding to about 600000 glucose molecules. As in the amylopectin, glucose units in […]

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