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Question

How can polysaccharides such as starch and amylose be differentiated?


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Solution

Difference between Starch and Amylose:-

STARCH

AMYLOSE

  • Starch is made up of polysaccharides.
  • Amylose is made up of monosaccharide units.
  • Starch is a polysaccharide made up of amylose and amylopectin sub-units
  • Amylose is a polysaccharide made up of glucose subunits.
  • It consists of both linear chain and branched chain polysaccharides.
  • It consists of a linear chain of glucose molecules.
  • Starch when reacted with iodine, it forms a blue-black colour due to polyIodide formation.
  • It reacts with iodine and immediately forms a blue colour.

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