PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • One example of this is the development of Golden Rice, a transgenic product that makes beta-carotene in its grains; beta-carotene is an ideal precursor of vitamin A. Possibilities exist to alter other carotenoids, such as lutein or zeaxanthin, which are important antioxidant phytochemicals that accumulate in the macula of the eye.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usda.gov