PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Other problematic substances are artificial sweeteners, chemicals such as nitrates and nitrites, flavor enhancers, foods containing tyramine, chocolate, alcohol and caffeine.
http://www.w3.org/ns/prov#wasQuotedFrom
  • naturalnews.com