Chitin Nanofiber, Chitosan Nanofiber
Chitin is the main component of crab, shrimp, insect skin and cell wall of bacteria including mushrooms, and these living creatures produce chitin inside their body to maintain their body structure.
Chitin is the natural polysaccharides composed of sequential chains of monosaccharide as acetylglucosamine.
So that it has similar structure to cellulose as cellulose is composed of multiple numbers of glucose chains. Chitin is the second largest bioresource next to cellulose on the earth.