PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Chitosan is a biopolymer derivative of chitin, a polysaccharide found abundantly in nature in crustacean exoskeletons of crab, shrimp, and lobster as well as in cuttlebone of cuttlefish.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hindawi.com