Vicianin is a cyanogenic disaccharide.The enzyme vicianin beta-glucosidase uses (R)-vicianin and H2O to produce mandelonitrile and vicianose. It is found in seeds of Vicia angustifolia.The fruits of Viburnum dentatum appear blue. One of the major pigments is cyanidin 3-vicianoside but the total mixture is very complex.
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