About: http://webisa.webdatacommons.org/309260864

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	The pH-adjusting substances may also include precursors that convert to acids or bases in vivo, including precursors that are sequentially activated in accordance with properties of the localized environment.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es