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A novel antioxidant source: evaluation of in vitro bioaccessibility, antioxidant activity and polyphenol profile of phenolic extract from black radish peel wastes (Raphanus sativus L. var. niger) during simulated gastrointestinal digestion
International Journal of Food Science & Technology ( IF 2.6 ) Pub Date : 2019-12-25 , DOI: 10.1111/ijfs.14494 Aysun Yücetepe 1 , Gokce Altin 2, 3 , Beraat Özçelik 2, 4
International Journal of Food Science & Technology ( IF 2.6 ) Pub Date : 2019-12-25 , DOI: 10.1111/ijfs.14494 Aysun Yücetepe 1 , Gokce Altin 2, 3 , Beraat Özçelik 2, 4
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The aim of this study was to evaluate the potency of polyphenolic extract from black radish (Raphanus sativus L. var. niger) root peel waste (PEBRRP) as an antioxidant food additive. PEBRRP was found a powerful antioxidant extract, in which had 172.9 ± 11.5, 462.72 ± 3.05, and 796.51 ± 10.4 mg TE per g dw of total antioxidant capacity (TAC) by CUPRAC, DPPH, and FRAP assays, respectively. The total phenolic content (TPC) and total flavonoid content (TFC) of PEBRRP were found as 305.51 ± 5.2 mg GAE per g dw and 171.58 ± 6.2 mg CAE per g dw, respectively. The ferulic acid (28.02 ± 4.5 mg per g dw) and epicatechin (19.82 ± 3.6 mg per g dw) were identified as the main polyphenols in undigested PEBRRP. The bioaccessibility of total phenolic and total flavonoid compounds of PEBRRP was found approximately 5%, and the antioxidant capacity of bioaccessible PEBRPP fraction was determined 6% in CUPRAC, 36% in DPPH and 47% in FRAP methods.
中文翻译：
一种新型的抗氧化剂来源：在模拟胃肠道消化过程中，评价黑萝卜皮废物（Raphanus sativus L. var.niger）的酚提取物的体外生物利用度，抗氧化活性和多酚谱
这项研究的目的是评估多酚提取物对黑萝卜效力（萝卜L.变种曲霉）根皮废物（PEBRRP）作为抗氧化剂食品添加剂。PEBRRP被发现是一种功能强大的抗氧化剂提取物，通过CUPRAC，DPPH和FRAP分析，每g dw总抗氧化剂容量（TAC）分别具有172.9±11.5、462.72±3.05和796.51±10.4 mg TE。PEBRRP的总酚含量（TPC）和总黄酮含量（TFC）分别为每克dw 305.51±5.2 mg GAE和每克dw 171.58±6.2 mg CAE。阿魏酸（28.02±4.5 mg / g dw）和表儿茶素（19.82±3.6 mg / g dw）被确定为未消化PEBRRP中的主要多酚。发现PEBRRP的总酚类和总黄酮类化合物的生物可及性约为5％，在CUPRAC中确定了可生物利用的PEBRPP组分的抗氧化能力为6％，在DPPH中为36％，在FRAP方法中为47％。
更新日期：2019-12-25
中文翻译：
一种新型的抗氧化剂来源：在模拟胃肠道消化过程中，评价黑萝卜皮废物（Raphanus sativus L. var.niger）的酚提取物的体外生物利用度，抗氧化活性和多酚谱
这项研究的目的是评估多酚提取物对黑萝卜效力（萝卜L.变种曲霉）根皮废物（PEBRRP）作为抗氧化剂食品添加剂。PEBRRP被发现是一种功能强大的抗氧化剂提取物，通过CUPRAC，DPPH和FRAP分析，每g dw总抗氧化剂容量（TAC）分别具有172.9±11.5、462.72±3.05和796.51±10.4 mg TE。PEBRRP的总酚含量（TPC）和总黄酮含量（TFC）分别为每克dw 305.51±5.2 mg GAE和每克dw 171.58±6.2 mg CAE。阿魏酸（28.02±4.5 mg / g dw）和表儿茶素（19.82±3.6 mg / g dw）被确定为未消化PEBRRP中的主要多酚。发现PEBRRP的总酚类和总黄酮类化合物的生物可及性约为5％，在CUPRAC中确定了可生物利用的PEBRPP组分的抗氧化能力为6％，在DPPH中为36％，在FRAP方法中为47％。
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