A minor red dye component derived from alkanet.

Medical dictionary. 2011.

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  • alkanet — The root of an herb, Alkanna, or Anchusa tinctoria (family Boraginaceae), that yields red dyes alkannan and alkannin; used as a coloring agent; also used, combined with tannin, as an astringent. * * * al·ka·net al kə .net n 1) a European plant… …   Medical dictionary

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