Monday 7 July 2014

CARBOHYDRATES:: PART 4

POLYSACCHARIDES

-          Polysaccharides are forms when more than two monosaccharides are attached by glycosidic bond.
-           Polysaccharides are further classified on the types of monomer units they yield upon hydrolysis.
-           

o   Homopolysaccharides: - These yield same monomer units upon hydrolysis.

§   Amylose is a polysaccharide of glucose molecules.
§  Glycogen.
§  Cellulose is a polysaccharide of glucose molecules.



o   Heteropolysaccharides: - These yield different monomer units upon hydrolysis.

§  Mucopolysaccharide.
§  Heparin.


-          Cellulose is the most abundant polysaccharide.

-          Polysaccharides are usually used as food storage forms or main ingredients of cell walls.

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