Isolation and Structural Determination of a Novel Antimicrobial Compound from the Root of Pulsatilla koreana

Jae-Hak Moon Department of Nutrition, School of Medicine, The University of Tokushima, Kuramoto-cho 3, Tokushima, 770-8503, Japan

Seung-Jin Ma Institute for Chemical Research, Kyoto University, Uji, Kyoto, 611-0011, Japan

Hyang-Hee Lee Department of Food Science and Technology, Chonnam National University, Kwangju, 500-757, Republic of Korea

Naoharu Watanabe Department of Applied Biological Chemistry, Faculty of Agriculture, Shizuoka University, Shizuoka, 422-8017, Japan

Akihito Yagi Department of Applied Biological Chemistry, Faculty of Agriculture, Shizuoka University, Shizuoka, 422-8017, Japan

Kanzo Sakata Institute for Chemical Research, Kyoto University, Uji, Kyoto, 611-0011, Japan

Keun-Hyung Park Department of Food Science and Technology, Chonnam National University, Kwangju, 500-757, Republic of Korea

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Abstract

A new antimicrobial pulsaquinone (1), having a novel 7-6 bicyclic carbon skeleton, was isolated from the root of Pulsatilla koreana Nakai. The structure was established by its MS, ¹H-, ¹³C-, and two dimensional NMR (¹H-¹H COSY and HMBC) spectroscopic data and confirmed by the selective reduction of 1.

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Isolation and Structural Determination of a Novel Antimicrobial Compound from the Root of Pulsatilla koreana

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Isolation and Structural Determination of a Novel Antimicrobial Compound from the Root of Pulsatilla koreana

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