About: http://webisa.webdatacommons.org/156153156

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	Flavonoids and phytosterols are natural substances, found mainly in fruits and vegetables, which boost the immune system.
http://www.w3.org/ns/prov#wasQuotedFrom	health24.com