PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • MK4 types: grass fed dairy, liver and other organ meats, egg yolks, breastmilk in which K2 is synthesized by animal tissues.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mothering.com