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http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The greatest source of astaxanthin is found in green algae called Haematococcus pluvialis, which also contains other carotenoids such as beta-carotene and lutein.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mercola.com