About: http://webisa.webdatacommons.org/286211960

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	Beta-carotene is the most potent precursor to vitamin A, but its conversion to vitamin A in the body is limited by a feedback system.
http://www.w3.org/ns/prov#wasQuotedFrom	lef.org