About: http://webisa.webdatacommons.org/386606133

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	Zinc is an essential metal to the human body because it participates in various biological activities in the body (e.g., the body of a 70-Kg person contains about 2.3 grams of zinc).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com