About: http://webisa.webdatacommons.org/71273027

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	Pellicle may also be stained and discolored by foods, such as coffee, tea and berries, as well as, by tobacco smoke, cationic compounds, and chromogenic bacteria.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com