Isolation and identification of ethyl .BETA.-resorcylate (ethyl 2,4-dihydroxybenzoate) and 5,7-dihydroxychromone from the root bark of mulberry tree (Morus alba L.) and their biological activity.

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  • UNO Tadako
    Chemistry Division, The Sericultural Experiment Station
  • ISOGAI Akira
    Department of Agricultural Chemistry, The University of Tokyo
  • SUZUKI Akinori
    Department of Agricultural Chemistry, The University of Tokyo
  • SHIRATA Akira
    Division of Plant Pathology, Department of Plant Pathology and Entomology, National Institute of Agricultural Sciences

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Other Title
  • 桑根皮よりの Ethyl β-Resorcylate (Ethyl 2,4-Dihydroxybenzoate) および5,7-Dihydroxychromone の単離・同定とその生物活性について
  • 桑根皮よりのEthyl β-Resorcylate(Ethyl 2,4-Dihydroxybenzoate)および5,7-Dihydroxychromoneの単離・同定とその生物活性について〔英文〕
  • ソウコン ヒ ヨリ ノ Ethyl ベータ Resorcylate Ethyl

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Ethyl β-resorcylate (ethyl 2, 4-dihydroxybenzoate) and 5, 7-dihydroxychromone were isolated and identified from the root bark of mulberry tree (Morus alba L.) cv Ichinose.<br>These compounds were tested for antimicrobial activity against 28 species of fungi and 7 species of bacteria mostly belonging to plant pathogens. Ethyl β-resorcylate exhibited the antimicrobial activity against all of the fungi and 5 species of bacteria, while 5, 7-dihydroxychromone showed a selective antimicrobial activity.

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