Triterpene Phytoalexins from Strawberry Fruit

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概要

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• Strawberry cv. Houkouwase is resistant to infection by Colletotrichum fragariae. The formation of antifungal compounds was observed in unripe fruit which had been wounded and inoculated with conidia of C. musae. Three antifungal compounds were isolated and identified as euscaphic acid, tormentic acid and myrianthic acid. Myrianthic acid inhibited the growth of C. musae at 3 μg, and euscaphic and tormentic acids showed inhibitory effects at 100 μg. A quantitative analysis of their contents showed that the triterpenes increased in wounded fruit, and in wounded and inoculated fruit, but not in non-treated fruit. These findings indicate that unripe fruit of Houkouwase produced the triterpenes as phytoalexins. The triterpene phytoalexins seem to be involved in the resistance of strawberry to the fungus.

• 社団法人日本農芸化学会の論文
• 2000-08-23

著者

• OHIGASHI Hajime

  Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University

• Ohigashi H

  Division Of Food Science And Biotechnology Graduate School Of Agriculture Kyoto University

• Ohigashi H

  Graduate School Of Agriculture Kyoto University

• Ohigashi H

  Division Of Applied Life Sciences Graduate School Of Agriculture Kyoto University

• Yoshida Ryuji

  College Of Technology Toyama Prefectural University

• Yoshida R

  Department Of Agriculture Technology Toyama Prefectural University

• Ohigashi Hajime

  Division Of Applied Life Sciences Graduate School Of Agriculture Kyoto University

• TSUDA Mitsuya

  Division of Environmental Science and Technology, Graduate School of Agriculture, Kyoto University

• HIRAI Nobuhiro

  Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University

• SUGIE Megumi

  Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University

• WADA Mitsuo

  Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University

• LAHLOU ElHassan

  CREST, Japan Science and Technology Corporation

• KAMO Tsunashi

  Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University

• TSUDA Mitsuya

  Graduate School of Agriculture, Kyoto University

• Hirai N

  International Innovation Center Kyoto University

• Lahlou Elhassan

  Crest Japan Science And Technology Corporation (jst)

• Sugie Megumi

  Division Of Applied Life Sciences Graduate School Of Agriculture Kyoto University

• Tsuda M

  Laboratory Of Environmental Mycoscience Graduate School Of Agriculture Kyoto University

• Tsuda M

  Division Of Environmental Science And Technology Graduate School Of Agriculture Kyoto University

• Kamo Tsunashi

  Biodiversity Division National Institute For Agro-environmental Sciences:department Of Bioscience An

• Kamo Tsunashi

  Crest Japan Science And Technology Corporation (jst):division Of Applied Life Science Graduate Schoo

• Ohigashi Hajime

  Div. Of Food Sci. And Biotechnology Graduate School Of Agriculture Kyoto Univ.

• Wada Mitsuo

  Division Of Applied Life Sciences Graduate School Of Agriculture Kyoto University

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