Unterschiede

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--- tsuga_canadensis_l._carr [2017/11/21 17:28] – andreas
+++ tsuga_canadensis_l._carr [2017/11/21 19:05] (aktuell) – andreas
@@ Zeile 18: / Zeile 18: @@
 SPME/GC/MS analysis showed α-pinene, camphene, myrcene, β-caryophyllene and germacrene D as other main volatiles. \\
 [Lagalante, Anthony F., et al. "Temporal and spatial variation of terpenoids in eastern hemlock (Tsuga canadensis) in relation to feeding by Adelges tsugae." Journal of chemical ecology 32.11 (2006): 2389-2403] [[https://naldc.nal.usda.gov/download/29595/PDF]]
+"Gas chromatography/mass spectrometry (GC/MS) of [[abies_balsamea_l._mill|Abies balsamea]], [[picea_mariana_mill._britton_et_al|Picea mariana]] and Tsuga canadensis leaf  essential oils assigned bornyl acetate as a major peak in A.balsamea and P.mariana, while isobornyl acetate was identified  as the major peak in T.canadensis. Though these two isomers elute closely on GC, their characteristic mass spectra allow unequivocal structural assignment...\\
+Identification of the correct isomers of enzymatically produced secondary metabolites is ecologically and economically important; for instance, isobornyl acetate, correctly identified in T. canadensis and six other Tsuga species by GC/MS, may be an attractant to a major forest pest, the parasitic hemlock woolly adelgid Adelges tsugae. Conversely, bornyl acetate produced by Douglas fir (Pseudotsuga menziesii) was shown to be a feeding deterrent to another significant forest pest, the western spruce budworm, Choristoneura occidentalis." \\
+[Bernart, Matthew W. "Closely eluting bornyl and isobornyl acetates are chemotaxonomic markers in the Pinaceae by virtue of their unique mass spectra." American Journal of Essential Oils and Natural Products 4.2 (2016): 41-46] [[http://www.essencejournal.com/vol4/issue2/pdf/4-3-1.1.pdf]]
 {{tsuga_canadensis.jpg?600}} \\