About: http://webisa.webdatacommons.org/218651526

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	The color forming agent may be a colored particle, a colored molecule or some species, such as an enzyme, which is capable of triggering a sequence of events leading to the formation of a colored marker.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com