Antioxidative Properties of Functional Polyphenols and Their Metabolites Assessed by an ORAC Assay

Hidekazu ISHIMOTO; Akihiro TAI; Morio YOSHIMURA; Yoshiaki AMAKURA; Takashi YOSHIDA; Tsutomu HATANO; Hideyuki ITO

doi:10.1271/bbb.110717

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Antioxidative Properties of Functional Polyphenols and Their Metabolites Assessed by an ORAC Assay

Hidekazu ISHIMOTO, Akihiro TAI, Morio YOSHIMURA, Yoshiaki AMAKURA, Takashi YOSHIDA, Tsutomu HATANO, Hideyuki ITO

著者情報

キーワード: polyphenol, metabolite, antioxidative activity, oxygen radical absorbance capacity (ORAC), AAPH

ジャーナルフリー早期公開

論文ID: 110717

DOI https://doi.org/10.1271/bbb.110717

この記事には本公開記事があります。

The final version of this article is now available: Vol. 76 (2012) , No. 2 p.395

詳細

抄録

We compared the antioxidative activities of polyphenol metabolites with those of intact functional polyphenols by an assay of the oxygen radical absorbance capacity (ORAC). The metabolites of ellagitannin geraniin, chlorogenic acid, and (−)-epigallocatechin gallate displayed more potent antioxidative activity than their respective original compounds. Our findings suggest that these metabolites may play important roles as biological antioxidants after their consumption.

責任著者(Corresponding author)

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