About: http://webisa.webdatacommons.org/405399159

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	They include food additives, vasoactive substances such as histamine, and some natural substances in fruits, vegetables and spices.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov