About: http://webisa.webdatacommons.org/232662922

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	It contains TANNINS, volatile oils (OILS, ESSENTIAL), and sesquiterpene lactones, especially parthenolide.
http://www.w3.org/ns/prov#wasQuotedFrom	rochester.edu