An antimicrobial activity of indole-3-carboxylic acid against Cercospora beticola SACC. isolated from seeds of suger beet (Beta vulgaris saccharifera ALEFELD)

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  • 甜菜種子から単離されたインドール-3-カルボン酸の褐斑病菌に対する抗菌活性
  • テンサイ シュシ カラ タンリサレタ インドール 3 カルボンサン ノ カッパ

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甜菜褐斑薗(Cercospora beticola)に対する抗菌性物質を甜菜(Beta vulgaris saccharifera Alefeld)の種子から単離した。この化合物は構造解析の結果,インドール-3-カルボン酸と同定された。インドール-3-カルボン酸はメチルチオファネート剤に感受性および耐性の褐斑病菌に対し,300ppmの濃度でそれぞれ65.7%および74.3%の抗菌活性を示したが,Cladosporium herbarum, Saccharomyces cerviside, Aspergillus oryzae, Penicillium roquefortiとEscherichia coliの生育に何ら影響を及ぼさなかった。

An antimicrobial activity of indole-3-carboxylic acid against Cercospora beticola Sacc. isolated from seeds of sugar beet (Beta vulgaris saccharifera Alefeld). HIDEYUKI CHIJI (Laboratory of Food Biochemistry, Department of Food Science and Human Nutrition, Faculty of Human Ecology, Fuji Women's College, Ishikari-cho, Hokkaido 061-321, JUNICHI TSUGE (Sapporo Otani Junior College, Sapporo, Hokkaido 065) and JIRO YAMADA (Laboratory of Food Chemistry, Department of Food Science and Human Nutrition, Faculty of Human Ecology, Fuji Women's College, Ishikari-cho, Hokkaido 061-32). An antimicrobial substance against Cercospora beticola Sacc. was isolated from seeds of sugar beet (Beta vulgaris saccharifera Alefeld). The structure was determined to be indole-3-carboxylic acid by spectroscopic analysis. The antimicrobial activity of the compound at 300 ppm was 65.7% and 74.3% against Cercospora beticola susceptible and resistant to thiophanate-methyl, respectively. However, the compound had not inhibited the growth of Cladosporium herbarum, Saccharomyces cerevisiae, Aspergillus oryzae, Penicillium roqueforti and Escherichia coli, when the antimicrobial activity was tested by the paper disk method.

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KJ00006968647

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