Abstract
The germicidal bags which can release environmental properties of SO2 fungicide, have lower water vapor transmission rate and higher oxygen transmission rate, and theirs effect on preservation of table grapes was investigated during storage at room temperature. The results showed that germicidal bags were able to maintain physicochemical, and physiological quality of grapes at a higher level compared with the common LDPE bags. At 16th days, decreases in the water loss rate, berry decay rate, and contents of total soluble solids, titratable acidity of germicidal bags groups were significantly inhibited. Although the content of TSS, TA and the berry firmness didn't show the significant difference between the germicidal bags and control group, but decay rate, shatter rate, and water loss rate of the control group were increased to 5.01%, 13.58%, and 0.67%, respectively. The control group had lost edible value. The overall results expressed that grapes quality can be maintained effectively at least for 16 days using germicidal bags.
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