Linalool and lilac aldehyde/alcohol in flower scents. Electrophysiological detection of lilac aldehyde stereoisomers by a moth.
The stereoisomers of linalool and lilac aldehyde/alcohol were determined in the flower scent of 15 plant species using enantioselective multidimensional gas chromatography/mass spectrometry (enantio-MDGC/MS). Both linalool and all 8 stereoisomers of lilac alcohol and lilac aldehyde were detected, and there was a species-specific pattern. Single stereoisomers were collected by micropreparative-enantio-MDGC and were electrophysiologically tested on antennae of the noctuid moth Hadena bicruris, a species known to rely on lilac aldehyde for finding its host plant. The moth responded to all 8 stereoisomers, though only four stereoisomers were found in the scent of its host plant. The moth was less sensitive to some isomers than to others.
Dötterl
Stefan
S
Department of Plant Systematics, University of Bayreuth, Universitätsstrasse 30, D-95440 Bayreuth, Germany. stefan.doetterl@uni-bayreuth.de
Burkhardt
Dirk
D
Weissbecker
Bernhard
B
Jürgens
Andreas
A
Schütz
Stefan
S
Mosandl
Armin
A
D000080462:Acyclic Monoterpenes; D000438:Alcohols / Q000032:analysis*; D000447:Aldehydes / Q000032:analysis*; D000818:Animals; D035264:Flowers / Q000737:chemistry; D008401:Gas Chromatography-Mass Spectrometry; D039821:Monoterpenes / Q000032:analysis*; D009036:Moths / Q000502:physiology*; D013237:Stereoisomerism; D031662:Syringa / Q000737:chemistry*
D000080462:Acyclic Monoterpenes; D000438:Alcohols; D000447:Aldehydes; D039821:Monoterpenes; C018584:linalool