The Occurrence of Lipid Hydroperoxide-Decomposing Activities in Rice and the Relationship of Such Activities to the Formation of Antifungal Substances
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概要
- 論文の詳細を見る
Two fractions that decomposed lipid hydroperoxide (lipid hydroperoxide-decomposing activities), were isolated from rice seeds by ion-exchange chromatography on DEAE-Toyopearl. Thin-layer chromatography showed that both fractions generated two products (I and II) when 9-linoleate hydroperoxide (9-LOOH) was used as a substrate. Structural analysis by gas chromatography/mass spectrometry showed that products I and II were 9-hydroxyoctadecadienoic acid and 9,12,13-trihydroxyoctadec-10-enoic acid, respectively, which have been isolated from rice leaves as antifungal substances that are active against rice blast fungus. The antifungal activity of 9-LOOH was examined against the blast fungus and compared with that of product I. Both compounds strongly inhibited conidial germination, growth of germ tubes and formation of ap-pressoria at 50 ppm. Product I was more active in this assay than 9-LOOH.
- 日本植物生理学会の論文
著者
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Morita Y
Univ. Osaka Prefecture Osaka Jpn
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Aibara S
Research Institute For Food Science Kyoto University
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Aibara Shigeo
Research Institute For Food Science Kyoto University
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Morita Yuhei
Research Institute For Food Science Kyoto University:(present Office)fuji Oil Co. Ltd. R. & D. C
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Morita Yuhei
Research Institute For Food Science Kyoto University
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Peng You-liang
Laboratory Of Plant Pathology Faculty Of Agriculture Kyoto University
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OHTA Hiroyuki
Research Institute for Food Science, Kyoto University
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Shida Kan
Research Institute for Food Science, Kyoto University
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Furusawa Iwao
Laboratory of Plant Pathology, Faculty of Agriculture, Kyoto University
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Shishiyama Jiko
Laboratory of Plant Pathology, Faculty of Agriculture, Kyoto University
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Shida Kan
Research Institute For Food Science Kyoto University
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Furusawa Iwao
Laboratory Of Plant Pathology Faculty Of Agriculture Kyoto University
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Ohta Hiroyuki
Research Institute For Food Science Kyoto University
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Shishiyama Jiko
Laboratory Of Plant Pathology Faculty Of Agriculture Kyoto University
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Shishiyama Jiko
Laboratory of Food Microbiology, Faculty of Agriculture, Kinki University
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