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[mass noun] A blue, violet, or red flavonoid pigment found in plants:‘the earliest carrots were purple, because they contained anthocyanin’
- ‘Beech trees have more of a red pigment called anthocyanin and birch trees have more carotene which turns leaves yellow.’
- ‘The pigment, anthocyanin, is normally turned off during the growing season, but the researchers inserted a gene that turns on this colour-making process in the presence of nitrogen dioxide.’
- ‘He has pinpointed markers signaling the presence of an unwanted, purplish color in wheatgrasses caused by the pigment anthocyanin.’
- ‘The combination of excess sugar sap and sunny days create an abundance of the pigment anthocyanin and the brilliant fall colors of crimson and purple.’
- ‘As well as a high content of carotene, the same substance that gives carrots and egg yolks their distinctive colour, these oranges develop a red pigment, anthocyanin, which gives their flesh its hue.’
Mid 19th century: from German Anthocyan, from Greek anthos flower + kuanos blue + -in.
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