Isolation and Antioxidant Activity of Galloyl Flavonol Glycosides from the Seashore Plant, Pemphis acidula

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概要

• 論文の詳細を見る

• Four kinds of galloyl flavonol glycosides were found in the leaf extract of Pemphis acidula, a plant growing on the subtropical seashore. Their chemical structures were elucidated to be quercetin or kaempferol 6"-O-galloyl-β-D-glycosides by using spectroscopic and chemical analyses. One of the flavonols, kaempferol-3-O-(6-O-galloyl-β-D-galactopyranoside), was newly isolated from natural sources and its structure was completely determined in this investigation. The antioxidant-related activities of the galloyl flavonoids were examined by the DPPH antiradical activity, inhibition of methyl linoleate oxidation, and inhibition of oxidative cell death. These results were compared with those of the corresponding non-galloylated flavonol glycosides and their aglycones. The galloyl flavonoids showed more efficient activity than that of the corresponding flavonol glycosides, but not more than that of the corresponding aglycones in the three assays applied.

• 社団法人日本農芸化学会の論文
• 2001-06-23

著者

• 高石 喜久

  徳島大院薬

• Masuda Tomomi

  Tokyo Research Laboratories Kyowa Hakko Kogyo Co.ltd.

• Takeda Yoshio

  Faculty of Pharmacy, Yasuda Womens University

• Takeda Y

  Fac. Of Integrated Arts And Sciences Univ. Of Tokushima

• Takeda Y

  Faculty Of Integrated Arts And Sciences The University Of Tokushima

• Masuda T

  Faculty Of Integrated Arts And Sciences The University Of Tokushima

• Masuda Toshiya

  Faculty Of Integrated Arts And Sciences University Of Tokushima

• Masuda Toshiya

  Faculty Of Human Life Science Osaka City University

• Takeda Y

  Faculty Of Engineering Mie University

• Masuda Toshiya

  Faculty Of Integrated Arts And Sciences The University Of Tokushima

• YONEMORI Shigetomo

  Tropical Biosphere Research Center, University of Ryukyus

• OYAMA Yasuo

  Faculty of Integrated Arts and Sciences, University of Tokushima

• IRITANI Kumiko

  Faculty of Integrated Arts and Sciences, University of Tokushima

• Takeda Yoshio

  Faculty Of General Arts And Sciences The Tokushima University

• Oyama Y

  Univ. Tokushima Tokushima Jpn

• Oyama Yasuo

  Laboratory Of Cellular Signalling Faculty Of Integrated Arts And Sciences The University Of Tokushim

• Oyama Yasuo

  Laboratories Of Cellular Signaling And Bioorganic Chemistry Faculty Of Integrated Arts And Sciences

• Oyama Y

  Laboratories Of Cell Signaling And Bioorganic Chemistry Faculty Of Integrated Arts And Sciences The

• Iritani Kumiko

  Faculty Of Integrated Arts And Sciences University Of Tokushima

• Oyama Y

  Faculty Of Pharmaceutical Sciences Tokushima Bunri University

• Oyama Yasuo

  Faculty Of Integrated Arts And Sciences The University Of Tokushima

• Yonemori S

  Tropical Biosphere Res. Center Univ. Of Ryukyus

• Yonemori Shigetomo

  Tropical Bioshere Research Center University Of Ryukyus Japan

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