Moderate ozone application preserves postharvest quality of 'manaohong' cherries by enhancing antioxidant defense and membrane stability

文献类型： 外文期刊

第一作者： Zou, Wei

作者： Zou, Wei;Ji, Ning;Li, Yuxin;Nie, Huali;Gao, Qi;Wang, Rui;Zou, Wei;Ji, Ning;Li, Yuxin;Nie, Huali;Gao, Qi;Wang, Rui;Chen, Cunkun;Liu, Bangdi

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关键词： 'Manaohong' cherries; Concentration; Ozone; Postharvest; Quality

期刊名称：JOURNAL OF STORED PRODUCTS RESEARCH （ 影响因子：2.8； 五年影响因子：2.8 ）

ISSN： 0022-474X

年卷期： 2025 年 114 卷

页码：

收录情况： SCI

摘要： Chinese cherry (Cerasus pseudocerasus L.) is widely grown in temperate regions, including Guizhou, China. The 'Manaohong' variety is known for its early ripening, rich flavor, and high nutritional value, but its postharvest quality declines rapidly due to softening, decay, and moisture loss, especially in areas with poor road conditions. This research assessed the impact of ozone treatments at concentrations of 20 (O1), 40 (O2), 60 (O3), and 80 (O4) mg/m3 on the postharvest quality of 'Manaohong' cherries under refrigerated conditions (4 degrees C) for 28 d storage. The application of ozone at (O3) concentration significantly mitigated decay, upheld fruit firmness and color, and mitigated moisture loss compared to the control treatment (CK). O3 treatment resulted in decreased membrane permeability, indicating enhanced membrane integrity and water retention. Furthermore, it delayed the deterioration of anthocyanins, flavonoids, vitamin C (VC), and total phenolic compounds. The activities of antioxidant enzymes such as catalase (CAT), superoxide dismutase (SOD), and ascorbate peroxidase (APX) remained elevated in the O3 treatment over the storage period, thereby bolstering resistance to oxidative stress. Conversely, ozone at 80 mg/m3 (O4) resulted in heightened membrane damage and accelerated quality deterioration. These findings suggest that ozone at 60 mg/m3 effectively prolongs the shelf life of 'Manaohong' cherries by reducing decay, maintaining firmness, and preserving antioxidant levels.

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