Effects of Modified Atmosphere Packaging on Postharvest Physiology and Quality of 'Meizao' Sweet Cherry (Prunus avium L.)

文献类型： 外文期刊

第一作者： Cui, Jianchao

作者： Cui, Jianchao;Fan, Liying;Zhao, Wenshi;He, Limin;Xu, Haijiao;Jia, Xiaohui;Wang, Wenhui

作者机构：

关键词： 'Meizao' sweet cherry; modified atmosphere packaging (MAP); low-temperature storage; postharvest physiology; quality

期刊名称：AGRONOMY-BASEL （ 影响因子：3.4； 五年影响因子：3.8 ）

ISSN：

年卷期： 2025 年 15 卷 8 期

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收录情况： SCI

摘要： Sweet cherry (Prunus avium L.) is becoming increasingly popular in China, but its postharvest quality deteriorates significantly during harvest storage and transport. Here, we investigated the efficiency of different modified atmosphere packaging (MAP) treatments on the quality and physiology of 'Meizao' sweet cherry during 60 days of cold storage (0 +/- 0.5 degrees C). Fruits were sealed in four types of MAP low-density polyethylene (LDPE) liners (PE20, PE30, PE40, and PE50), with unsealed 20 mu m LDPE packaging bags used as the control. Our findings demonstrated that PE30 packaging established an optimal gas composition (7.0 similar to 7.7% O-2 and 3.6 similar to 3.9% CO2) that effectively preserved 'Meizao' sweet cherry quality. It maintained the fruit color, firmness, soluble solid content (SSC), titratable acidity (TA), and vitamin C (Vc) content while simultaneously delaying deteriorative processes such as weight loss, pedicel browning, and fruit decay. These results indicate that PE30 was the most suitable treatment for preserving the quality of 'Meizao' sweet cherries during cold storage. Furthermore, physiological research showed that significant inhibition of respiration rate was achieved by PE30, accompanied by maintained activities of antioxidant enzymes (CAT, POD, and SOD), which consequently led to reduced accumulations of ethanol and malondialdehyde (MDA) during cold storage. To date, no systematic studies have investigated the physiological and biochemical responses of 'Meizao' to different thickness-dependent LDPE-MAP conditions. These observations highlight the power of the optimized PE30 packaging as an effective method for extending the fruit storage life, delaying postharvest senescence, and maintaining fruit quality of 'Meizao' sweet cherry.

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