Isothermal Storage Delays the Senescence of Post-Harvest Apple Fruit through the Regulation of Antioxidant Activity and Energy Metabolism

文献类型： 外文期刊

第一作者： Chen, Lan

作者： Chen, Lan;Chen, Lan;Pan, Yanfang;Chen, Lan;Wang, Mengya;Wang, Haifen;Zhou, Cong;Yuan, Junwei;Li, Xihong;Pan, Yanfang

作者机构：

关键词： apple fruit; isothermal storage; temperature fluctuation; senescence; antioxidant system; energy status

期刊名称：FOODS （ 影响因子：5.2； 五年影响因子：5.5 ）

ISSN：

年卷期： 2023 年 12 卷 9 期

页码：

收录情况： SCI

摘要： The purpose of this work was to elucidate the influence of TF (5 +/- 5 degrees C, and 5 +/- 1 degrees C) and CT (5 +/- 0.1 degrees C served as an isothermal state) storage environment on the antioxidant ability and energy metabolism in post-harvest apple fruit during storage. Specifically, compared with fruit in TFs groups, the quality attributes of apples in the CT group, including firmness, fresh weight, contents of SSC, and TA were maintained at a higher level. In addition, fruit stored in the CT environment revealed a suppressed respiration rate and EL, lower MDA, O-2(center dot-), and H2O2 accumulation but increased the activities of SOD, CAT, APX, and GR. At the end of storage, the SOD, CAT, APX, and GR activities of fruit in the CT group were 38.14%,48.04%, 115.29%, and 34.85% higher than that of the TF5 group, respectively. Fruit in the CT environment also revealed higher AsA, GSH, total phenols, and total flavonoid content. In addition, fruit stored in the CT environment maintained higher ATP content, EC, and more active H+-ATPase, Ca2+-ATPase, CCO, and SDH. At the end of storage, the SDH and CCO activities of fruit in the TF0.1 group were 1.74, and 2.59 times higher than that in the TF5 group, respectively. Taken together, we attributed the fact that a constant temperature storage environment can retard the fruit senescence to the enhancement of antioxidant capacities and maintaining of higher energy status in apple fruit.

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