About: http://webisa.webdatacommons.org/334376265

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	Tannins are either condensed and non-hydrolyzable, proanthocyanidins of flavonoid origin (see Dixon et al. 2005) or hydrolyzable, and here caffeic acid and in particular gallic acid are the building blocks.
http://www.w3.org/ns/prov#wasQuotedFrom	mobot.org