Anthocyanins were extracted from taro with 50% methanol, isolated by adsorbtion on insoluble polyvinylpyrrolidone, and purified by thinlayer chromatography. The pigments were identified by chromatographic and spectrophotometric methods as pelargonidin 3‐glucoside, cyanindin 3‐rhamnoside and cyanidin 3‐glucoside. Levels of anthocyanins were highest in the skin of the corm, 16.0% mg%, with equal amounts, 4.29 mg%, in both corm and petiole. Anthocyanogens also were present.
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GHAN et al. (1977) studied this question.
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