Submitted by György Chityil ... on Sat, 01/20/2018 - 01:24 Hierarchy: NounDescription: {{chemistry}} The water-soluble part of the yellow carotenoid pigment present in the cell sap of some plants.Ngram: xantheinNgram Text: xantheinSource: WiktionaryIssue: 0Wiktionary tag: chemistryNgram Count: 1