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

被引：74

作者：

Ishimoto, Hidekazu ^{[1
]}

Tai, Akihiro ^{[2
]}

Yoshimura, Morio ^{[3
]}

Amakura, Yoshiaki ^{[3
]}

Yoshida, Takashi ^{[3
]}

Hatano, Tsutomu ^{[1
]}

Ito, Hideyuki ^{[1
]}

机构：

[1] Okayama Univ, Div Pharmaceut Sci, Grad Sch Med Dent & Pharmaceut Sci, Kita Ku, Okayama 7008530, Japan

[2] Prefectural Univ Hiroshima, Fac Life & Environm Sci, Shobara, Hiroshima 7270023, Japan

[3] Matsuyama Univ, Coll Pharmaceut Sci, Matsuyama, Ehime 7908578, Japan

来源：

BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY | 2012年 / 76卷 / 02期

关键词：

polyphenol; metabolite; antioxidative activity; oxygen radical absorbance capacity (ORAC); AAPH; GREEN TEA; HYDROLYZABLE TANNINS; CHLOROGENIC ACID; IN-VITRO; PLASMA; BIOAVAILABILITY; IDENTIFICATION; QUERCETIN; PLANTS; PROANTHOCYANIDINS;

D O I：

10.1271/bbb.110717

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

070307 [化学生物学]; 071010 [生物化学与分子生物学];

摘要：

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.

引用

页码：395 / 399

页数：5

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