Valorization of the green waste parts from sweet potato (Impaea batatas L.): Nutritional, phytochemical composition, and bioactivity evaluation

文献类型： 外文期刊

第一作者： Hong, Jingyang

作者： Hong, Jingyang;Mu, Taihua;Sun, Hongnan;Hong, Jingyang;Mu, Taihua;Sun, Hongnan;Hong, Jingyang;Richel, Aurore;Hong, Jingyang;Blecker, Christophe

作者机构：

关键词： antioxidant activity; chemical/nutritional characterization; correlation analysis; gray relational analysis; sunscreen activity; sweet potato leaves

期刊名称：FOOD SCIENCE & NUTRITION （ 影响因子：2.863； 五年影响因子：3.141 ）

ISSN： 2048-7177

年卷期： 2020 年 8 卷 8 期

页码：

收录情况： SCI

摘要： In the present study, leaves from 13 sweet potato cultivars were collected as raw materials. The nutritional and functional composition, antioxidant activity, and sunscreen activity of different sweet potato leaf samples were determined, and the comprehensive nutritional quality was calculated by gray relational analysis. Results showed that the nutritional and functional components are significantly different between different cultivars. Tainong7l showed the highest comprehensive nutritional quality, followed by Fu22, Ningcai, Fu23, Ecai10, Zhecai726, Ecai1, Fu18, Pushu53, Guangcai5, Shulv1, Guangcai2, and Zhecai1. The antioxidant activity varied from 3.94 to 16.75 g Trolox equivalent/100 g dry weight. Pushu53 showed the highest sunscreen activity, with the sun protection factor 24.65. There was a positive correlation between antioxidant activity and sunscreen activity (r = .737, p = .004). In conclusion, sweet potato leaves possess high nutritional and functional properties, and have the huge potential to be used as green leafy vegetables and sunscreen agent.

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