PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • While phenylalanine is an amino acid already present in the brain, excess levels can cause serotonin to decrease over time, which can lead to chemical imbalances that cause depression and other mood and emotional disorders.
http://www.w3.org/ns/prov#wasQuotedFrom
  • infowars.com