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Insights into the roles of melatonin in maintaining quality and extending shelf life of postharvest fruits

文献类型： 外文期刊

作者： Ze, Yun 1 ; Gao, Huijun 2 ; Li, Taotao 1 ; Yang, Bao 1 ; Jiang, Yueming 1 ;

作者机构： 1.Chinese Acad Sci, Key Lab Plant Resource Conservat & Sustainable Ut, South China Bot Garden, Guangzhou 510650, Peoples R China

2.Guangdong Acad Agr Sci, Inst Fruit Tree Res, Guangzhou, Peoples R China

关键词： Decay; Melatonin; Postharvest fruit; Quality; Ripening; Senescence

期刊名称：TRENDS IN FOOD SCIENCE & TECHNOLOGY （ 影响因子：12.563； 五年影响因子：14.466 ）

ISSN： 0924-2244

年卷期： 2021 年 109 卷

页码：

收录情况： SCI

摘要： Background: Most of postharvest fruits are highly perishable, which limits greatly marketability and potential expansion. In recent years, significant progresses on understanding the role of melatonin in delaying senescence have been achieved while the melatonin as a postharvest alternative in maintaining quality and extending shelf life of postharvest fruit has been developed. Scope and approach: This paper reviews the recent progresses in the multiple functions of melatonin, summaries the detection, content and synthesis of endogenous melatonin in postharvest fruit, discusses the possible mechanisms of melatonin in maintaining quality and extending shelf life of postharvest fruit, emphasizes the beneficial effects of the melatonin-related handling and provides the future research direction for postharvest alternative. Key findings and conclusions: The amount of melatonin in postharvest fruit is relatively low and affected greatly by many factors. The major precursors and genes of melatonin biosynthetic pathway have been identified in various fruits. Exogenous melatonin treatment not only delayed ripening, senescence and quality deterioration, but also enhanced disease resistance and chilling tolerance of postharvest fruit. The multiple biological functions of melatonin in postharvest fruit were attributed to the induction and interaction with reactive oxygen species and nitric oxide and coordination with plant hormones and other signaling molecules, which enhanced antioxidant and defense systems, reduced oxidative damage, and maintained energy of postharvest fruit.

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