Difference between Chitinous and Polysaccharide

What is the difference between Chitinous and Polysaccharide?

Chitinous as an adjective is made of, pertaining to, or resembling chitin. while Polysaccharide as a noun is a polymer made of many saccharide units linked by glycosidic bonds.

We hope you now know whether to use Chitinous or Polysaccharide in your sentence.