Several Antifeedants from Phellodendron amurense against Reticulitermes speratus

Hitoshi KawaguchiCentral Research Laboratories, Taiyo Kagaku Co., Ltd., 1–3, Takaramachi, Yokkaichi, Mie 510, Japan

Mujo KimCentral Research Laboratories, Taiyo Kagaku Co., Ltd., 1–3, Takaramachi, Yokkaichi, Mie 510, Japan

Munetaka IshidaCentral Research Laboratories, Taiyo Kagaku Co., Ltd., 1–3, Takaramachi, Yokkaichi, Mie 510, Japan

Young-Joon AhnCentral Research Laboratories, Taiyo Kagaku Co., Ltd., 1–3, Takaramachi, Yokkaichi, Mie 510, Japan

Takehiko YamamotoDepartment of Biotechnology, Fukuyama University, Hiroshima, Japan

Ryohei YamaokaDepartment of Applied Biology, Kyoto Institute of Technology, Kyoto, Japan

Mutsuo KozukaDepartment of Pharmacognosy, Kyoto Pharmaceutical University, Kyoto, Japan

Katumi GotoDepartment of Pharmacognosy, Kyoto Pharmaceutical University, Kyoto, Japan

Shozo TakahashiPesticide Research Institute, Kyoto University, Kyoto, Japan

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Abstract

The methanol extract of Phellodendron amurense bark was shown to have a strong antifeedant activity against Reticulitermes speratus. The extract was sequentially partitioned with hexane, chloroform, ethyl acetate and water, and the activity was observed in both the chloroform and water fractions. The active principles isolated from the chloroform fraction were obacunone and kihadanin A, while those from the water fraction were berberine chloride and palmatine iodide.

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Several Antifeedants from Phellodendron amurense against Reticulitermes speratus

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Several Antifeedants from Phellodendron amurense against Reticulitermes speratus

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