Three Oxygenated Cyclohexenone Derivatives Produced by an Endophytic Fungus

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概要

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• Three cyclohexenone derivatives, (4S,5S,6S)-5,6-epoxy-4-hydroxy-3-methoxy-5-methyl-cyclohex-2-en-1-one (1), (4R,5R)-4,5-dihydroxy-3-methoxy-5-methyl-cyclohex-2-en-1-one (2), and (4R,5S,6R)-4,5,6-trihydroxy-3-methoxy-5-methyl-cyclohex-2-en-1-one (3), were isolated from unpolished rice fermented with an xylariaceous endophytic fungus (strain YUA-026). The structures of three compounds were established on the basis of spectroscopic analyses and chemical conversion. The minimum inhibitory concentrations of 1 and 3 were 100 μg/ml and 400 μg/ml against Staphylococcus aureus, 100 μg/ml and 200 μg/ml against Pseudomonas aeruginosa, and 200 μg/ml and >400 μg/ml against Candida albicans, respectively. In addition, 1 and 3 exhibited phytotoxic activity against lettuce.

• 社団法人 日本農芸化学会の論文
• 2005-02-23

著者

• Shiono Yoshihito

  Department Of Applied Biological Chemistry College Of Agriculture Osaka Prefecture University

• Shiono Yoshihito

  Department Of Bioresource Engineering Faculty Of Agriculture Yamagata University

• Okada Katsuhide

  Laboratory Of Food Science Faculty Of Education Yamagata University

• Okada Katsuhide

  Laboratory Of Food Chemistry Ochanomizu University

• Murayama Tetsuya

  Department Of Applied Biological Chemistry Faculty Of Agriculture Tohoku University

• Murayama Tetsuya

  Department Of Bioresource Engineering Faculty Of Agriculture Yamagata University

• Murayama Tetsuya

  Faculty Of Agriculture Yamagata University

• Takahashi Koetsu

  Department Of Bioresource Engineering Faculty Of Agriculture Yamagata University

• KATOHDA Shigeyoshi

  Department of Bioresource Engineering, Faculty of Agriculture, Yamagata University

• IKEDA Michimasa

  Department of Bioresource Engineering, Faculty of Agriculture, Yamagata University

• Koseki Takuya

  Department Of Bioresource Engineering Faculty Of Agriculture Yamagata University

• Ikeda Michimasa

  Department Of Bioresource Engineering Faculty Of Agriculture Yamagata University

• Ikeda Michimasa

  Department Of Bioproduction Faculty Of Agriculture Yamagata University

• Miyajima Takeshi

  Department Of Bioresource Engineering Faculty Of Agriculture Yamagata University

• Katohda Shigeyoshi

  Department Of Bioresource Engineering Faculty Of Agriculture Yamagata University

• Miyakawa Tokichi

  Department Of Molecular Biotechnology Graduate School Of Advanced Science Of Matter Hiroshima Univer

• MURAYAMA Tetsuya

  Department of Agricultural Chemistry, Faculty of Agriculture, Tohoku University

• IKEDA Michimasa

  Department of Agricultural Chemistry, Yamagata University

• TAKAHASHI Koetsu

  Department of Bioenvironment, Faculty of Agriculture, Yamagata University

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