About: http://webisa.webdatacommons.org/369922049

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	Although it is generally preferred to use ethanol for extraction, other light solvents or mixtures of light solvents, i.e. solvents of low boiling point, may be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr