Unterschiede

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--- aucoumea_klaineana_pierre [2023/06/11 11:05] – angelegt andreas
+++ aucoumea_klaineana_pierre [2025/09/15 08:59] (aktuell) – andreas
@@ Zeile 1: / Zeile 1: @@
 Aucoumea klaineana Pierre syn. Dacryodes klaineana (Pierre) H.J.Lam. - Bourseraceae - okoumé, **Okoumé**, Gabun-Mahagoni
-Large evergreen tree, up to 50m high; native to west and central Africa (Gabon, Cameroon, Congo); all plants highly fragrant.
+Large evergreen tree, up to 50m high; native to west and central Africa (Gabon, Cameroon, Congo); all plant parts highly fragrant.
 Steam distillation of the oleo resin yielded 5% of a volatile oil with p-cymene (30.2%), α-pinene (20.6%), α-phellandrene (11.2%), limonene (5.4%), α-terpineol (5.4%), terpinen-4-ol (5.2%), and camphor (0.6%). \\
-[Guang-Yi, Liang, et al. "The Volatile Oil of the Oleo Resin of Aucoumea klaineana Collected in Gabon1." Planta medica 54.04 (1988): 368-369]
+[Guang-Yi, Liang, et al. "The Volatile Oil of the Oleo Resin of Aucoumea klaineana Collected in Gabon." Planta medica 54.04 (1988): 368-369]
-| {{:alpha_pinene.jpg| α-pinene }} \\ α-pinene| {{:alpha_phellandrene.jpg| α-phellandrene }} \\ α-phellandrene | {{:limonene.jpg| limonene }} \\ limonene | {{:terpineol_alpha.jpg| α-terpineol}} \\ α-terpineol | {{:caryophylleneoxide.jpg| caryophyllene oxide}} \\ caryophyllene oxide |
+| {{:alpha_pinene.jpg| α-pinene }} \\ α-pinene| {{:alpha_phellandrene.jpg| α-phellandrene }} \\ α-phellandrene | {{:limonene.jpg| limonene }} \\ limonene | {{:terpineol_alpha.jpg| α-terpineol}} \\ α-terpineol | {{:caryophylleneoxide.jpg| caryophyllene oxide}} \\ caryophyllene oxide | {{caryophylladien5alphaol.jpg|caryophylla-2(12),6-dien-5alpha-ol}} \\ caryophylla-2(12),6-dien-5α-ol |
 Especially the twigs develope a "refreshing, terpenic, citrus-related (so-called 'hesperidic'), green, and transparent woody scent" when touched. Main components of the scent are α-pinene (11.0%), α-phellandrene (34.0%), limonene (21.0%), and (E)-β-ocimene (10.9%), accompanied by oxygen-containing derivatives contributing hesperidic and terpenic-resinous notes. Characteristic woody notes are contributed by caryophyllene oxide (0.25%) and caryophyllenols, especially caryophylla-2(12),6-dien-5α-ol (0.08%). \\
 "All these derivatives are also of great importance to the wood scent of okoumé." \\
 [Meaningful Scents around the World, Roman Kaiser, Zürich 2006, 90-91 and 217]
+The essential oil isolated from the resin of Aucoumea klaineana by hydrodistillation contained mainly monoterpenoids (96.06%) in which p-acetyl anisole was the single benzenic compound (0.18%). The predominant constituents in the essential oil were δ-3-carene (72.3%), p-cymene (3.7%), limonene (4.0%), terpinolene (6.2%) and α-terpineol (4.3%). \\
+[Koudou, Jean, et al. "Volatile constituents and antioxidant activity of Aucoumea klaineana Pierre essential oil." African Journal of Pharmacy and Pharmacology 3.6 (2009): 323-326]
 Main components of the steam-distilled essential oils of Aucoumea klaineana resin from Cameroon were α-pinene (29.3%), α-phellandrene (30.9%), eucalyptol (9.0%), α-terpineol (3.1%), and terpinen-4-ol (2.5%). \\
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+{{aucoumea_bidault.jpg}} \\
+Flowering twig of Aucoumea klaineana [[https://tropical.theferns.info/viewtropical.php?id=Aucoumea+klaineana|Useful Tropical Plants]] Author: Ehoarn Bidault
+[[https://creativecommons.org/licenses/by-sa/3.0/de/|CC BY-SA 3.0]]