About: http://webisa.webdatacommons.org/406198893

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 agent can also be a vitamin including vitamin A, vitamin B, vitamin C, vitamin D, vitamin E, and their provitamin counterparts.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com