About: http://webisa.webdatacommons.org/397116197

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 natural polysaccharide, prepared by the deacetylation of chitin, which is obtained from the shells of crabs and shrimps (9).
http://www.w3.org/ns/prov#wasQuotedFrom	scielo.br