ABSTRACT

ABSTRACT: Blueberry fruits are treated by 60Co-γ irradiation with the doses of 0.5, 1.0, 1.5, 2.0, 2.5, 3.0 kGy, and then stored at 5°C for 35 days. The sensory and physiological indexes were measured every 7 days and the results showed that the irradiation treatment has good effects on reducing the decay rate and improving the fruit firmness at refrigerated storage. In the whole storage, blueberry fruit irradiated by 2.5 kGy was the best which decay rate and fruit firmness were 14.53% and 0.29 N respectively. In a word, appropriate 60Co-γ radiation can be used as an efficient way to improve the storage quality of blueberries.