A group of floral pigments, existing as glycosides in combination with glucose or cellobiose molecules, which range from red to blue and are often pH dependent; soluble in water and alcohol but not in ether. Anthocyanins's are divided into derivatives of pelargonidin, cyanidins, and delphinidins. Some have been used as hematoxylin substitutes.
[G. anthos, flower, + kyanos, a blue substance]
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Examples: glitazone, GI cocktail, etc.