Gymnemic acids: Secondary plant substances of dual defensive action? |
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| Authors: | Mark S. Granich Bruce P. Halpern Thomas Eisner |
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| Affiliation: | 1. Section of Neurobiology and Behavior of the Division of Biological Sciences, Cornell University, Ithaca, New York 14850, U.S.A.;2. Department of Psychology, Cornell University, Ithaca, New York 14850, U.S.A. |
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| Abstract: | Gymnemic acids, the triterpene saponins from the leaves of the asclepiad vine Gymnema sylvestre, act as feeding deterrents to a caterpillar, Prodenia eridania. The effect is demonstrable with sugar-free diets, suggesting that the acids do not act, as they do in mammals, by suppressing the sweetness of sugars. |
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| Keywords: | To whom inquiries should be directed. |
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