Larrea tridentata, creosote bush, is a desert shrub found in dry, arid regions of North America, and the most common desert shrub in the Southwest. This drought resistant woody perennial becomes part of the main source of food for mammalian herbivores during the dry season. The leaves and berries of L. tridentata produce and emit phytogenic volatile organic compounds (PVOC) which may have an effect on the grazing patterns of desert herbivore populations. This research aims to analyze the exact PVOC profile of L. tridentata.   To date identified PVOCs include limonene, camphor, alpha-cedrene, AR-curcumene and (E)-nerolidol.  Current research is focusing on identifying additional PVOCs contained in L. tridentata using sold-phase microextraction (SPME), gas chromatography-mass spectrometry, and retention indices.

Analysis of volatile organic compounds in the desert shrub Larrea tridentata (creosote bush)

245th National Meeting (2013)

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