About: http://webisa.webdatacommons.org/290205406

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	Preservatives are added to food, drugs and other pharmaceutical products to avoid microbial contamination.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov