Abstract
Blue and purple anthocyanins were isolated from the flowers ofTrandescantia reflexa. Both anthocyanins retain their specific colors firmly in the range of pH 3.5-7. Structural studies have revealed that the blue and purple pigments are tricaffeyl 3,7,3′-triglucoside of delphinidin and ferulylcaffeyl 3,7,3′-triglucoside of cyanidin, respectively.
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