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Starch is a

Updated: 12/17/2022
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12y ago

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Starch is a polymer consisting of large numbers of alpha-glucose units joined together by glycosidic bonds. It is composed of amylose and amylopectin. In amylose, the glucoe is linked in a linear fashion by 1,4 glycosidic bonds. These bonds cause the chain to coil helically into a more compact shape due to the tetrahedral chemistry of carbon and the bond angles that result. Amylopectin is also compact and has a linear arrangement of glucose linked by 1,4 glycosidic bonds. However, at regular intervals, a 1,6 glycosidic bond forms between two adjacent glucose molecules. These bonds result in the formation of a highly branched structure. Starch has three times more amylopectin than amylose.

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