Evaluation of the Anti-oxidative Effect (in vitro) of Tea Polyphenols(Organic Chemistry)

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概要

• 論文の詳細を見る

• Forty-three polyphenols from tea leaves were evaluated for their anti-oxidative effect against lipid peroxidation by the ferric thiocyanate method in vitro. Among these, 1, 4, 6-tri-O-galloyl-β-D-glucose (hydrolyzable tannin) showed the highest anti-oxidative activity against lipid peroxidation, even stronger than that of 3-tert.-butyl-4-hydroxyanisole (BHA). The assay demonstrates that tea polyphenols, except for desgalloylated dimeric proanthocyanidins that possess a catechin structure in the upper unit and desgalloylated flavan-3-ols, and excepting theaflavin 3, 3'-di-O-gallate, had more antioxidative activity than that of α-tocopherol. The chemical structure-activity relationship shows that the antioxidative action advanced with the condensation of two molecules of flavan-3-ols as well as with 3-O-acylation in the flavan skeleton such as that by galloyl, (3'-O-methyl) -galloyl, and p-coumaroyl groups.

• 社団法人日本農芸化学会の論文
• 2003-02-23

著者

• Nohara Toshihiro

  Faculty of Pharmaceutical Sciences, Sojo University

• MASUOKA Chikako

  School of Agriculture, Tokai University

• Nagao Toshiyuki

  Department Of Pharmacology Faculty Of Pharmacy Meijo University

• Ono Masateru

  Faculty of Pharmaceutical Sciences, Kumamoto University

• Masuoka C

  School Of Agriculture Tokai University

• Masuoka Chikako

  東海大学 農学部

• HASHIMOTO Fumio

  Faculty of Pharmaceutical Sciences, Kumamoto University

• ITO Yasuyuki

  Faculty of Research Institute of General Education, Kyushu Tokai University

• ISHIMATSU Naoki

  Kyushu Tokai University School of Agriculture

• MASUOKA Chikako

  Faculty of Agriculture, Kyushu Tokai University

• SAKATA Yusuke

  Faculty of Agriculture, Kagoshima University

• SHIMIZU Keiichi

  Faculty of Agriculture, Kagoshima University

• NONAKA Gen-ichiro

  Faculty of Pharmaceutical Sciences, Kyushu University

• NISHIOKA Itsuo

  Faculty of Pharmaceutical Sciences, Kyushu University

• Ito Yasuyuki

  School Of Agriculture Kyushu Tokai University

• Hashimoto F

  Faculty Of Agriculture Kagoshima University

• Ito Yasuyuki

  Faculty Of General Education Kyushu Tokai University

• Sakata Y

  Faculty Of Agriculture Kagoshima University

• Nishioka Itsuo

  Faculty Of Pharmaceutical Sciences Kyushu University

• Nishioka Itsuo

  Kyushu Tokai University School Of Agriculture

• Shimizu Kaoru

  Department Of Applied Biological Chemistry Faculty Of Agriculture Shizuoka University

• Hashimoto Fumio

  Department Of Orthodontics Graduate School Of Biomedical Sciences Nagasaki University

• Hashimoto Fumio

  Laboratory Of Ornamental Horticulture Kagoshima University

• Nohara Toshihiro

  Faculty Of Medical And Pharmaceutical Science Kumamoto University

• Shimizu Keiichi

  Faculty Of Agriculture Kagoshima University

• Nonaka Gen-ichiro

  Faculty Of Pharmaceutical Sciences Kyushu University

• Sakata Yushi

  Faculty Of Agriculture Kagoshima University

• Hashimoto Fumio

  Faculity Of Science Osaka City University

• Sakata Yusuke

  Faculty Of Agriculture Kagoshima University

• ONO Masateru

  Faculty of Pharmaceutical Sciences, Fukuoka University

• Ito Yasuyuki

  Faculty of Agriculture, Kyushu Tokai University

• Nohara Toshihiro

  Faculty of Medical and Pharmaceutical Scieces, Sojo University

• Nonaka Gen-ichiro

  Faculty of Pharmaceutical Sci Kyushu Univ

• Nishioka Itsuo

  Faculty of Pharmaceutical Sci Kyushu Univ

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