文献类型: 外文期刊
作者: Dong, Chen 1 ; Hu, Huigang 1 ; Hu, Yulin 1 ; Xie, Jianghui 1 ;
作者机构: 1.Chinese Acad Trop Agr Sci, South Subtrop Crop Res Inst, Key Lab Trop Fruit Biol, Minist Agr, Zhanjiang, Peoples R China
关键词: banana pulp;soluble flavonoids;bound flavonoids;fruit development;antioxidant activity
期刊名称:FRONTIERS IN PLANT SCIENCE ( 影响因子:5.753; 五年影响因子:6.612 )
ISSN: 1664-462X
年卷期: 2016 年 7 卷
页码:
收录情况: SCI
摘要: Banana is a commercially important fruit, but its flavonoid composition and characteristics has not been well studied in detail. In the present study, the metabolism of flavonoids was investigated in banana pulp during the entire developmental period of fruit. 'Xiangfen 1,' a novel flavonoid-rich banana germplasm, was studied with 'Brazil' serving as a control. In both varieties, flavonoids were found to exist mainly in free soluble form and quercetin was the predominant flavonoid. The most abundant free soluble flavonoid was cyanidin-3-0-glucoside chloride, and quercetin was the major conjugated soluble and bound flavonoid. Higher content of soluble flavonoids was associated with stronger antioxidant activity compared with the bound flavonoids. Strong correlation was observed between antioxidant activity and cyanidin-3-O-glucoside chloride content, suggesting that cyanidin-3-0-glucoside chloride is one of the major antioxidants in banana. In addition, compared with Brazil, "Xiangfen 1' fruit exhibited higher antioxidant activity and had more total flavonoids. These results indicate that soluble flavonoids play a key role in the antioxidant activity of banana, and 'Xiangfen 1' banana can be a rich source of natural antioxidants in human diets.
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