About: http://webisa.webdatacommons.org/314089477

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Further, it should be understood that chitosan is a natural product derived from chitin, a polysaccharide often found in the exoskeleton of shellfish such as shrimp or crabs.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es