About: http://webisa.webdatacommons.org/203753501

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	Things such as iron are Tannin are much more likely to cause the discoloration. ???Sulfur??? when oxidized causes black particles.What causes you to gag?
http://www.w3.org/ns/prov#wasQuotedFrom	terrylove.com