Fresh-keeping effect of phytic acid on Chrysanthemum nankingense

The effect of 0.1%,0.5%,0.05% phytic acid on post-harvest Chrysanthemum nankingense were studied.The result showed that Chrysanthemum nankingense treated with 0.10% phytic acid and stored at 10 for 12d had 19.55% yellowing ratio,8.99% weight loss,compared to 29.15% yellowing ratio,11.35% weight loss of Chrysanthemum nankingense treated with 0.05% phytic acid and stored under the same condition,much less than that of control.0.50% phytic acid could cause burning symptom in Chrysanthemum nankingense slightly.The 0.10% phytic acid was the best concentration to keep Chrysanthemum nankingense fresh.The result also showed that the effect of phytic acid on Chrysanthemum nankingense appeared late.This effect was more obverious at later stage of storage.