Habenariol, a freshwater feeding deterrent from the aquatic orchid Habenaria repens (Orchidaceae)

An uncommon ester, bis- p-hydroxybenzyl-2-isobutylmalate, habenariol, has been isolated, by bioassay-guided fractionation, from the organic extract of the freshwater orchid Habenaria repens. The structure of habenariol was determined by the interpretation of spectral data. Feeding bioassays showed t...

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Bibliographic Details
Published in:Phytochemistry (Oxford) 1999-04, Vol.50 (8), p.1333-1336
Main Authors: Wilson, Dean M, Fenical, William, Hay, Mark, Lindquist, Niels, Bolser, Robin
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal, plant and microbial ecology
Autoecology
Biological and medical sciences
Feeding deterrents
Freshwater
Fundamental and applied biological sciences. Psychology
Habenaria repens
Habenariol
Orchidaceae
Plants and fungi
Procambarus clarkii
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Summary:An uncommon ester, bis- p-hydroxybenzyl-2-isobutylmalate, habenariol, has been isolated, by bioassay-guided fractionation, from the organic extract of the freshwater orchid Habenaria repens. The structure of habenariol was determined by the interpretation of spectral data. Feeding bioassays showed that habenariol deters feeding by the common freshwater crayfish Procambarus clarkii. Habenariol is related to a bis-ester glycoside isolated from the non-aquatic orchid Galeola faberi.
ISSN:0031-9422
1873-3700
DOI:10.1016/S0031-9422(98)00340-9