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Postharvest white light combined with different UV-B doses differently promotes anthocyanin accumulation and antioxidant capacity in mango peel

文献类型： 外文期刊

作者： Yang, Chengkun 1 ; Wang, Xiaowen 1 ; Zhu, Wencan 1 ; Weng, Zhongrui 1 ; Li, Feili 1 ; Wu, Hongxia 3 ; Zhou, Kaibing 1 ; Strid, Ake 4 ; Qian, Minjie 1 ;

作者机构： 1.Hainan Univ, Sanya Inst Breeding & Multiplicat, Sch Breeding & Multiplicat, Sanya 572025, Peoples R China

2.Hainan Univ, Sch Trop Agr & Forestry, Key Lab Qual Regulat Trop Hort Crop Hainan Prov, Haikou 570228, Peoples R China

3.Chinese Acad Trop Agr Sci, South Subtrop Crops Res Inst, Key Lab Trop Fruit Biol, Minist Agr & Rural Affairs, Zhanjiang 524013, Peoples R China

4.Orebro Univ, Orebro Life Sci Ctr, Sch Sci & Technol, S-70182 Orebro, Sweden

关键词： Mangifera indica; Light; Anthocyanin; Reactive oxygen species (ROS); Plant hormone

期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：6.0； 五年影响因子：6.0 ）

ISSN： 0023-6438

年卷期： 2024 年 203 卷

页码：

收录情况： SCI

摘要： Fruit peel color is an important index of mango fruit quality. Therefore, increasing the anthocyanin accumulation and improving coloration in red mango are crucial for mango industry. The anthocyanin accumulation in mango is light-regulated. However, the effect of white light combined with different doses of UV-B on anthocyanin biosynthesis has not been clarified. Also lacking is a comprehensive analysis of responses of mango fruit peel to UV-B/white light treatments. In this study, green mature 'Guifei' mango fruits were subjected to white light combined with low (WL + UV-BL) or high dose UV-B (WL + UV-BH). Anthocyanin concentration, anthocyaninrelated gene expression, reactive oxygen species (ROS), antioxidant, and plant hormone concentrations, and antioxidant enzyme activity were measured. The results showed that especially a WL + UV-BH regimen promoted anthocyanin formation in mango peel. Anthocyanin- and light signal-related gene expression, ROS content, antioxidant enzyme activity, antioxidant concentrations, and total antioxidant capacity were also increased by UV-B/white light. Such treatments led to higher concentrations of jasmonic acid and cytokinin, but decreased content of 1-aminocyclopropane-1-carboxylic acid and salicylic acid. Commercially, our findings may contribute to improving the commercial quality of mango. Scientifically, the present data sheds light on the mango fruit peel-specific molecular and physiological response network under UV-B/white light treatments.

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