About: http://webisa.webdatacommons.org/46502724

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	It is a vital component to the pigment that makes it possible for the eyes to see at night and is a building block for the cells that line the organs.
http://www.w3.org/ns/prov#wasQuotedFrom	skinstore.com