About: http://webisa.webdatacommons.org/20339915

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	According to the Oxford Wine Companion, extract is, The sum of the non-volatile solids of a wine: the sugars, non-volatile acids, minerals, phenolics, glycerol, glycols and traces of other substances such as proteins, pectins and gums.
http://www.w3.org/ns/prov#wasQuotedFrom	wineloverspage.com