Effects of Controlled Atmosphere Storage on Shelf Life Quality of Blueberry After CO2 Impact for Different Times
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摘要: 以‘粉蓝’蓝莓为试材,采用CO2冲击不同时间后贮藏于气调环境内60 d,出库后进行货架试验,研究各处理对蓝莓货架期品质的影响,以期为延长蓝莓的货架期提供参考依据。结果表明:通过CO2冲击后,贮藏及货架期果实品质均要好于对照组,而冲击时间不同,效果也不同;其中冲击24 h的果实表现最好,其在贮藏后的货架期腐烂率、呼吸强度、脂氧合酶（LOX）和过氧化物酶（POD）活性最低,硬度、可溶性固形物含量、花色苷含量、维生素C含量、多酚含量、超氧化物歧化酶（SOD）活性能维持最高。综上,通过采后CO2冲击能有效的延长贮藏后蓝莓果实的货架期,但冲击时间不宜过长,以24 h为宜。Abstract: The ‘Fenlan’ blueberry was used as the test material, after different time of CO2 shock, the blueberries were stored in a modified atmosphere for 60 days.After delivery, the shelf test was carried out, the effect of each treatment on the shelf-life quality of blueberries was studied, in order to provide a reference for prolonging the shelf life of blueberries was studied.The results showed that after CO2 shock, the fruit quality was better than that of the control group during storage and shelf life, and the effect was different with different shock time; among them, the fruits impacted for 24 hours showed the best performance, and their shelf-life decay rate, respiratory intensity, lipoxygenase（LOX） and peroxidase（POD） activities were the lowest, while their hardness, soluble solids content, anthocyanin content, vitamin C content, polyphenol content and superoxide dismutase（SOD） activity were the highest.In conclusion, the shelf life of blueberry fruits could be effectively prolonged by post-harvest CO2 shock, but the shock time should not be too long, and the optimum time was 24 hours.
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Keywords:
- blueberry /
- carbon dioxide /
- shelf /
- quality
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