Unterschiede

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--- boswellia_papyrifera_del._hochst [2015/08/21 15:22] – andreas
+++ boswellia_papyrifera_del._hochst [2021/03/13 13:14] (aktuell) – andreas
@@ Zeile 6: / Zeile 6: @@
 [[http://www.fao.org/docrep/article/wfc/xii/0845-a1.htm]]
-"The chemical composition of B.papyrifera is markedly different from that of other Boswellia..." Main volatile compounds of B.payprifera detected by headspace SPME-GC/MS were n-octyl acetate (64.6%), octanol (13.9%), cembrene A (1.7%) and incensole (1.0%).
+"The chemical composition of B.papyrifera is markedly different from that of other Boswellia..." Main volatile compounds of B.payprifera detected by headspace SPME-GC/MS were n-octyl acetate (64.6%), octanol (13.9%), cembrene A (1.7%) and incensole (1.0%). \\
 [A chemical investigation by headspace SPME and GC-MS of volatile and semi-volatile terpenes in various olibanum samples. Hamm, S., Bleton, J., Connan, J., & Tchapla, A., Phytochemistry, Vol.66(12), 2005, 1499-1514]
+| {{:incensole_a.jpg|}} \\ incensole (R=OH) | {{:octanol_ac.jpg|}} \\ octanol (R=H) \\ octyl acetate (R=Ac) | {{:olibanicacid.jpg| olibanic acid(s)}} \\ olibanic acids |
 "Both n-octanol and n-octyl acetate, along with the diterpenic components incensole and incensole acetate, were the characteristic compounds of B. papyrifera oleogum resin oil." \\
-[Chemical Composition and Antimicrobial Activity of Some Oleogum Resin Essential Oils from Boswellia SPP. (Burseraceae), Lorenzo Camarda, Talya Dayton, Vita Di Stefano, Rosa Pitonzo, Domenico Schillaci, Annali di Chimica, Vol.97(9), 2007, 837–844]
+[Chemical Composition and Antimicrobial Activity of Some Oleogum Resin Essential Oils from Boswellia SPP. (Burseraceae), Lorenzo Camarda, Talya Dayton, Vita Di Stefano, Rosa Pitonzo, Domenico Schillaci, Annali di Chimica, Vol.97(9), 2007, 837-844]
+The orange colored neutral fraction of the diethyl ether extract from B.papyrifeira resin contained incensole (18.8-24.9%) and incensole acetate (14.0-18.5%). \\
+[Paul, Michael, and Johann Jauch. "Efficient preparation of incensole and incensole acetate, and quantification of these bioactive diterpenes in Boswellia papyrifera by a RP-DAD-HPLC method." Natural product communications 7.3 (2012): 1934578X1200700303] [[https://journals.sagepub.com/doi/pdf/10.1177/1934578X1200700303]]
+The (1S,2S)-(+)-trans- and (1S,2R)-(+)-cis-2-octylcyclopropyl-1-carboxylic acids (olibanic acids) "...were also
+present in the octyl-acetate-type EO (presumably B. papyrifera)." \\
+These acids provide the very characteristic old churchlike endnote of the frankincense odor. \\
+[Cerutti‐Delasalle, C., Mehiri, M., Cagliero, C., Rubiolo, P., Bicchi, C., Meierhenrich, U. J., & Baldovini, N. (2016). The (+)‐cis‐and (+)‐trans‐Olibanic Acids: Key Odorants of Frankincense. Angewandte Chemie, 128(44), 13923-13927]
-{{:boswellia_papyrifera.jpg?500}} \\
+{{:boswellia_papyrifera.jpg?800}} \\
 Richard, A., Tentamen florae Abyssinicae, Atlas, t.33 (1851) [A.C.Vauthier] \\
 [[http://plantgenera.org/species.php?id_species=151947]]