PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The chemical reaction is more likely to happen in water that is more alkaline, so blackening may be reduced by adding an acidic ingredient such as lemon juice, vinegar or cream of tartar to the cooking liquid.
http://www.w3.org/ns/prov#wasQuotedFrom
  • kitchensavvy.com