About: http://webisa.webdatacommons.org/388319472

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 a precursor to vitamin A and has 100% vitamin A activity in the human body.
http://www.w3.org/ns/prov#wasQuotedFrom	laboratorynetwork.com