About: http://webisa.webdatacommons.org/267917386

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	Vitamin A is an essential nutrient required for maintaining eye health and vision, growth, immune function, and survival.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com