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Original Articles

Clitolactone: a banana slug antifeedant from Clitocybe flaccida

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Pages 23-25 | Accepted 28 May 2003, Published online: 30 Jan 2017
 

Abstract

Clitolactone, 5-(chloromethyl)-3-methyl-2(5H)-furanone, was isolated from sporocaps of the mushroom Clitocybe flaccida. The structure was determined by HRMS, EIMS, 1H & 13C NMR, 2D 1H-13C COSY and 1H-1H COSY. This mushroom is not eaten by the banana slug Ariolimax columbianus (Gould), a mycophagist from the temperate rain forests of the Pacific Northwest. Clitolactone acts as an antifeedant because these slugs rejected 1.0 cm2 pieces of lettuce treated with 25 μg of clitolactone.

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