PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Collagen is an insoluble fibrous protein that occurs in vertebrates as the primary constituent of connective tissue fibrils and in bones and yields gelatin and glue on prolonged heating with water.
http://www.w3.org/ns/prov#wasQuotedFrom
  • naturalpigments.com