Vialinin A, a Novel 2,2-Diphenyl-1-picrylhydrazyl (DPPH) Radical Scavenger from an Edible Mushroom in China
スポンサーリンク
概要
- 論文の詳細を見る
While screening for bioactive compounds from edible mushrooms, a new potent antioxidant, vialinin A (1), together with a known compound, ganbajunin B (2), and a mixture of ganbajunins D (3) and E (4), were isolated from the dry fruiting bodies of Thelephora vialis. The structure of 1, 5′,6′-bis(phenylacetoxy)-1,1′:4′,1″-terphenyl-2′,3′,4,4″-tetraol, was elucidated by spectroscopic and chemical methods. This compound had strong 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical-scavenging activity with an EC50 value of 14.0 μM, nearly equal to that of butylated hydroxytoluene (BHT; EC50=10.0 μM). A radical scavenging experiment using 1 and DPPH radicals indicated that 1 donated two hydrogen atoms to two molecules of the DPPH radical under hydrophobic conditions.
- 社団法人 日本農芸化学会の論文
- 2005-12-23
著者
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KOSHINO Hiroyuki
Molecular Characterization Team, RIKEN
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KOSHINO Hiroyuki
RIKEN
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Abe Naoki
Department Of Cardiology Hirosaki University Graduate School Of Medicine
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Abe Naoki
Dep. Of Nutritional Sci. Fac. Of Applied Bio-science Tokyo Univ. Of Agriculture
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XIE Chun
Department of Microbiology, Guangxi Medical University
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Takahashi Shunya
Molecular Characterization Team, RIKEN
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Yoshikawa Kunie
Dep. Of Nutritional Sci. Fac. Of Applied Bio-science Tokyo Univ. Of Agriculture
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Yoshikawa Kunie
Department Of Microbiology National Institute Of Hygienic Sciences
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Koshino Hiroyuki
Molecular Characterization Characterization Center Riken(the Institute Of Physical And Chemical Rese
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ESUMI Yasuaki
Molecular Characterization Team, Advanced D & S Center, RIKEN
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Takahashi Shunya
Molecular Characterization Team Riken
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Xie Chun
Department Of Nutritional Science Faculty Of Applied Bio-science Tokyo University Of Agriculture
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Xie Chun
Department Of Microbiology Guangxi Medical University
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Esumi Yasuaki
Riken(the Inst. Of Physical And Chemical Research)
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Esumi Yasuaki
Molecular Characterization Team Advanced D & S Center Riken
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Abe Naoki
Department Of Agricultural Chemistry Faculty Of Agriculture Tohoku University
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