different between chitin vs amylopectin

English

From French chitine, from Latin chit?n (“mollusk”), from Ancient Greek ????? (khit?n). See also chiton.

chitin (countable and uncountable, plural chitins)

(biochemistry) A complex polysaccharide, a polymer of N-acetylglucosamine, found in the exoskeletons of arthropods and in the cell walls of fungi; thought to be responsible for some forms of asthma in humans.
- 1880, Arthur Gamgee, A Text-book of the Physiological Chemistry of the Animal Body, Macmillan, p. 299
  Chitin usually occurs throughout Invertebrates in the form of an investment to the outermost cellular layer or ectoderm.
- 2004, New Scientist, 11 Sep 2004, p.19
  The robot’s energy source is the sugar in the polysaccharide called chitin that makes up a fly’s exoskeleton.

amylo- +? pectin

amylopectin (plural amylopectins)

(biochemistry) A highly branched, insoluble form of starch (the soluble form being amylose)

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