<http://webisa.webdatacommons.org/prov/438759267>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/80448795> .
<http://webisa.webdatacommons.org/80448795>	<http://www.w3.org/ns/prov#value>	"Examples of natural products are collagen, gelatin, starch, cellulose, and chitosan." .
<http://webisa.webdatacommons.org/80448795>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/80448795>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .