Author(s): Kawai T, Kinoshita K, Koyama K, Takahashi K
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Abstract Magnolol and honokiol, biphenyl compounds, were isolated as anti-emetic principles from the methanolic extract of Magnolia obovata bark. -, -, and -shogaols and -, -, and -gingerols were isolated from the methanolic extract of Zingiber officinale rhizome as anti-emetic principles. Some phenyl-propanoids with allyl side-chains were found to show the same activity. They inhibited the emetic action induced by the oral administration of copper sulfate pentahydrate to leopard and ranid frogs.
This article was published in Planta Med
and referenced in Alternative & Integrative Medicine