1. Anthocyan pigments in white peaches were isolated and identified by paper chromatography and spectroanalysis. The results showed that the main pigment was chrysanthemin and besides, unknown pigments, resembling chrysanthemin, existed a little. 2. The decoloring effects of ascorbic acid and iso-ascorbic acid to chrysanthemin wer also studied. According to the study, ascorbic acied and iso-ascorbic acid had no difference in the effect. And then, this effect was gradually displayed in the conjugation of ascorbic acid and cysteine. 3. Ferric ion have been found in the purple pigment of canned syrup, on the beside of stannous ion.