Explain starch, Biology

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Starch

It is a plant polysaccharide synthesized by  the plant by photosynthesis and stored mainly  in  grains,  legumes,  roots  and  tubers.  Its molecular formula is (C6H1OO5)n.  Starch consists  of  two forms, amylose and  amylopectin. Normally, 65-85%  of the  starch  is amylopectin and only  15-35%  is amylose. Amylose has a straight chain  structure  formed  by  250-300 glucose  residues  linked  together  by (1,4) glycosidic linkage

 


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