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
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Date
2021
Journal Title
Journal ISSN
Volume Title
Publisher
Wiley
Access Rights
info:eu-repo/semantics/embargoedAccess
Abstract
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.
Description
Yücetepe, Aysun ( Aksaray, Yazar )
Keywords
Antioxidant Activity, Bioaccessibility, Flavonoids, Phenolics, Black Radish
Journal or Series
International Journal of Food Science & Technology
WoS Q Value
Q2
Scopus Q Value
N/A
Volume
-
Issue
-
