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According to the nature of their anthocyanidines, the anthocyanins pigments are divided into three groups which differ for the number of hydroxyls present:


1 GROUP of pelargonidin (scarlet red)


2 GROUP of cyanidin (crimson red)

present in flowers and in some fruits such as cherries, redcurrants, raspberries, etc.


3 GROUP of delphinidin (blue-red)

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