Effect of Bagging on Storage Quality in Citrus grandis Var.

[Objective ] The study aimed to provide references for the extension of pomelo fruits post-harvest shelf-life,enhance the value of their merchandise.[Method] Xindu pomelo fruits were bagged during growth,packaging by plastic-bag after ripe,storage at room temperature,every 20 days based on a determination of the relevant indicators.[Result] The results showed that the bagging-fruits were not easy to lose water;at the later stage of storage,the content of titratable acid and Vc were higher in bagged than in unbagged fruit,MDA content tended to increase,and it higher in unbagged than in bagged fruits;the trend of POD activity was opposite between bagged and unbagged fruits,after 40 days,POD activity in bagged fruits begin raise and exceed unbagged fruits;when harvesting,CAT activity in bagged was lower than in the unbagged fruits,after 80 days,the difference went to lessen.[Conclusion]Bagged fruits more fit for storage.