About: http://webisa.webdatacommons.org/365697961

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	Since the roman times, heavy metal salts, such as iron, arsenic and copper, were used to make foods more appealing and to hide age.
http://www.w3.org/ns/prov#wasQuotedFrom	eatingwell.com