About: http://webisa.webdatacommons.org/273050841

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	Chitosan is a deacetylated derivative of chitin, a plentiful substance readily isolated from the shells of crustaceans such as crab, lobster and shrimp.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au