数字农科院2.0

Comparative Study On Chemical Composition, Polyphenols, Flavonoids, Carotenoids And Antioxidant Activities Of Various Cultivars Of Sweet Potato

文献类型： 外文期刊

作者： Kourouma, V; Mu, TH; Zhang, M; Sun, HN

作者机构：

关键词： Antioxidant Activities; Carotenoids; Chemical Composition; Flavonoids; Polyphenols; Sweet Potato

期刊名称： INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY

ISSN： 0950-5423

年卷期： 2020 年 55 卷 1 期

页码：

收录情况： JCR（2021版） ; EI（2021版）

摘要： Chemical composition, polyphenols, flavonoids, carotenoids and antioxidant activities of twenty-five cultivars of sweet potato were investigated. Starch, crude protein, crude fat, total dietary fibre, reducing sugar and ash contents ranged between 51.88-69.21, 2.36-7.79, 0.24-1.11, 5.02-14.35, 1.07-9.78 and 1.95-4.29 g per 100 g dry weight (DW), respectively. Cultivars of Longshu, Pushu 32 and Qinshu No.7 (Shanxi province) displayed the highest values in total polyphenol contents (9.38, 9.11 and 8.76 mg GAE per g DW, respectively), Huangmeigui showed higher flavonoids content (2.54 mg RE per g DW), Xiangshu presented higher anthocyanin content (1.02 mg per g DW), whereas Pushu 32 had the highest beta-carotene content (208.11 mu g per g DW). Strong significant positive correlations were presented between antioxidant activities and total polyphenol and flavonoid contents, indicating that polyphenols and flavonoids are essential antioxidants in sweet potatoes. Among all cultivars, Pushu 32 presented the highest grey relational grade (GRG) value (0.7811), suggesting its importance as a healthy diet.

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