About: http://webisa.webdatacommons.org/112073087

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	Some carotenoids, particularly beta carotene, act as precursors to vitamin A. The carotenoids convert into retinol, which is the active form of the vitamin.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencedaily.com