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--- bursera_graveolens_kunth_triana_planch [2017/06/25 15:03]
andreas
+++ bursera_graveolens_kunth_triana_planch [2017/07/03 20:16] (aktuell)
andreas
@@ Zeile 6: / Zeile 6: @@
 Another tree of South America, [[bulnesia_sarmientoi_lorentz_ex_griseb|Bulnesia sarmientoi]], is also called palo santo.
-GC-O analysis showed that α-terpineol, carvone, mintlactone, iso-mintlactone and some sesquiterpenoids contribute to the characteristic odor of the wood oil, which was described as woody, herbal, and minty. \\
+Main components of the ether extract (5.2%) and SDE of B.graveolens wood were limonene (3.4%/9.1% resp.), α-terpineol (2.0%/8.1%), β-bisabolene (5.2%/5.7%), dihydro-α-agarofuran (1.2%/1.3%), carvone (0.8%/4.8%), trans-carveol (1.2%/3.5%), cis-carveol (0.3%/1.5%), juneol (3.8%/4.8%), 10-epi-γ-eudesmol (3.7%/4.4%), epi-bisabololoxide B (3.8%/3.2%), jinkoh-eremol (2.7%/2.2%), 8-epi-α-bisabolol (7.5%/4.9%), kusunol (4.9%/2.7%), 4α-hydroxy-dihydroagarofuran (2.2%/1.7%), mintlactone (6.9%/1.7%), isomintlactone (1.8%/0.2%), and 3-hydroxymintlactone (2.6%/0%). \\
+"The main odour-potent odorants detected by GC-O in the diethyl ether extracts were monoterpenoids, such as α-terpineol, carvone, mintlactone, isomintlactone, and sesquiterpenoids such as 6,10-epoxy-7(14)-isodaucan, juneol, 10-epi-γ-eudesmol, and kusunol. These compounds contribute to the woody, herbal and minty characteristic odour of extracts from B.graveolens." \\
+In the roast aroma extract (dry distillation of wood), compounds with strong smoky-phenolic odour like furfural, guaiacol, phenol, p-cresol and 4-vinylguaiacol were detected together with the sweet smelling compounds cyclotene (caramel-like), 3,3-dimethyl-2(3H)-benzofuranone (sugar-like), and vanillin. "The mintlactones, such as 2,3-didehydromintlactone, mintlactone, and isomintlactone, have a herbaceous minty characteristic odour." \\
 [Chemical composition of three extracts of Bursera graveolens., Yukawa, C., Imayoshi, Y., Iwabuchi, H., Komemushi, S., Sawabe, A., Flavour and fragrance journal, 21(2), 2006, 234-238]
-| {{:limonene.jpg| limonene }} \\ limonene | {{:terpineol_alpha.jpg|α-terpineol}} \\ α-terpineol | {{:r_carvone.jpg| (R)(-)-carvone }} \\ (R)(-)-carvone |
+| {{:limonene.jpg| limonene }} \\ limonene | {{:terpineol_alpha.jpg|α-terpineol}} \\ α-terpineol | {{:r_carvone.jpg| (R)(-)-carvone }} \\ (R)(-)-carvone | {{:eudesmol_10epigamma.jpg|10-epi-γ-eudesmol}} \\ 10-epi-γ-eudesmol \\ //(intense woody)// | {{:kusunol.jpg|kusunol}} \\ kusunol \\ //(woody)// | {{:4alphahydroxydihydroagarofuran.jpg|4α-hydroxy-dihydroagarofuran}} \\ 4α-hydroxy-dihydroagarofuran \\ //(woody)//|
 Steam-distilled essential oil consisted of monoterpenes (78.2%) and sesquiterpenes (9.6%). Major constituents were limonene (58.6%), α-terpineol (10.9%), menthofuran (6.6%), carvone (2.0%), pulegone (1.1%), γ-muurolene (1.2%), germacrene D (1.7%), and trans-carveol (1.1%). \\
 [Essential oil of Bursera graveolens (Kunth) triana et planch from Ecuador., Young, D.G., Chao, S., Casablanca, H., Bertrand, M.C., Minga, D., Journal of Essential Oil Research, 19(6), 2007, 525-526]
+{{:bursera_graveolens.jpg?800}} \\
+Bursera graveolens (Kunth) Triana & Planch,© 2008 - Patricia Jaramillo, Rachel Atkinson, Anne Guézou, \\ [[http://www.darwinfoundation.org/datazone/checklists/232/|Charles Darwin Foundation]] [[https://creativecommons.org/licenses/by-nc-sa/3.0/us/|CC BY-NC-SA 3.0 US]]
+Images also at [[http://www.tropicos.org/Name/4700223?tab=images|Tropicos - Bursera graveolens]]

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