Flavonoid composition and antioxidant activities of Chinese local pummelo (Citrus grandis Osbeck.) varieties
文献类型: 外文期刊
第一作者: Xi, Wanpeng
作者: Xi, Wanpeng;Fang, Bo;Zhou, Zhiqin;Zhao, Qiyang;Jiao, Bining;Xi, Wanpeng;Zhou, Zhiqin
作者机构:
关键词: Pummelo;Grapefruit;Flavonoids;UPLC;Antioxidant activity
期刊名称:FOOD CHEMISTRY ( 影响因子:7.514; 五年影响因子:7.516 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: China is one of the most important diversity centres of the genus Citrus L. and is particularly rich in pummelo germplasm. In this study, the flavonoids in the peels and pulps of 28 Chinese local pummelos and four grapefruits were determined by optimised Ultra Performance Liquid Chromatography (UPLC), and their antioxidant capacities were evaluated using 2,2-diphenyl-1-picrylhydrazyl radicals (DPPH), ferric reducing/antioxidant power (FRAP) and superoxide anion methods. We found that naringin was the predominant flavonoid in pummelo, while naringin and neohesperidin were the predominant flavonoids in grapefruit. The fruit peels of Citrus parodist cvs. Rio Red and Cocktail had the highest contents of naringin (9871.69 mg/kg FW) and neohesperidin (7011.15 mg/kg FW), respectively. Overall, G. paradisi cvs. Cocktail, Rio Red and Changshanhuyou, Citrus grandis cvs. 28-19, Chandler, and Hongxinyou contained more flavonoids and exhibited higher antioxidant capacities and are potentially good sources of phytochemicals and natural antioxidants.
分类号: TS2`TS201.2
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