Page 15 - 01 CARBOHYDRATES for TCM

Storage polysaccharide and structure of polysaccharide

Storage Polysaccharide Glutinous Rice flour

Starch

Glycogen

Galactogen

Inulin

β-glucan
Rice flour Corn starch

Starch composed of two components:

Amylose or β-amylose (20-30%) and α-D- glucose, it forms blue colour with iodine, linear chain

molecules, and α-(1,4) linked.

Amylopectin or α-amylose (70-90%) and α-D- glucose, insoluble in cold water, it forms red to

violet colour with iodine , branched chain molecules, and α-(1,4) and and α-(1,6) linked.

.