Dynamic Changes in Anthocyanin Accumulation and Cellular Antioxidant Activities in Two Varieties of Grape Berries during Fruit Maturation under Different Climates
文献类型： 外文期刊
作者： Qin, Liuwei 1 ; Xie, Hui 2 ; Xiang, Nan 1 ; Wang, Min 2 ; Han, Shouan 2 ; Pan, Mingqi 2 ; Guo, Xinbo 1 ; Zhang, Wen 2 ;
作者机构： 1.South China Univ Technol, Engn Res Ctr Starch & Vegetable Prot Proc, Guangdong Prov Key Lab Green Proc Nat Prod & Prod, Minist Educ,Sch Food Sci & Engn, Guangzhou 510640, Peoples R China
2.Xinjiang Acad Agr Sci, Key Lab Genome Res & Genet Improvement Xinjiang C, Res Inst Hort, Urumqi 830091, Peoples R China
关键词： different climates; grape berry development; anthocyanins; antioxidant capacity
期刊名称：MOLECULES （ 影响因子：4.927； 五年影响因子：5.11 ）
ISSN：
年卷期： 2022 年 27 卷 2 期
页码：
收录情况： SCI
摘要： As popularly consumed fruit berries, grapes are widely planted and processed into products, such as raisins and wine. In order to identify the influences of different climatic conditions on grape coloring and quality formation, we selected two common varieties of grape berries, 'Red Globe' and 'Xin Yu', for investigation. Grapes were separately grown in different climates, such as a temperate continental arid climate and a temperate continental desert climate, in Urumqi and Turpan, China, for five developmental stages. As measured, the average daily temperature and light intensity were lower in Urumqi. Urumqi grape berries had a lower brightness value (L*) and a higher red-green value (a*) when compared to Turpan's. A RT-qPCR analysis revealed higher transcriptions of key genes related to anthocyanin biosynthesis in Urumqi grape berries, which was consistent with the more abundant phenolic substances, especially anthocyanins. The maximum antioxidant activity in vitro and cellular antioxidant activity of grape berries were also observed in Urumqi grape berries. These findings enclosed the influence of climate on anthocyanin accumulation and the antioxidant capacity of grapes, which might enlarge our knowledge on the quality formation of grape berries and might also be helpful for cultivating grapes with higher nutritional value.
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