Polysaccharides Flashcards
Define polysaccharides 3
More than 10 monosaccharides
Glucosidic bond
Non reducing
Glucans
D-glucose Starch Cellulose Dextrin Glycogen
Fructans
D-fructose
Inulin in plants
Amylose is formed of
a-D-glucopyranose
Amylose linkage
Forming
a1,4-glucosidic linkage
Unbranching chain
Amylopectin is formed of
And is
a-D-glucopyranose
Branched chain
Amylopectin connected by
- within branches
- at the branching points
- a1,4glucosidic
2. a1,6glucosidic
Dextrin is
Product of hydrolysis of starch by starch amylase and pancreatic amylase
Glycogen is
Carbohydrate storage form in animals
Cellulose is formed of
Forming
B-D-glucopyranose
Long unbranched chain
Cellulose linkage
B1,4-glucosidic linkage
Cellulose in diet is IMP?
Inc. food bulk
Stimulates intestinal contraction
Prevents constipation
Heteropolysaccharides includes
GAGs
GAGs are 5
Unbranched Long chain Repeating disaccharides Amino sugar Uronic acid
Sulphate free GAGs
Hyaluronic acid