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--- eucalyptus_radiata_sieber_ex_dc [2017/11/19 22:07]
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+++ eucalyptus_radiata_sieber_ex_dc [2017/11/20 00:22]
andreas
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 Eucalyptus radiata Sieber ex DC.  - Myrtaceae - narrow-leaf peppermint gum, narrow-leaved peppermint, **Pfefferminz-Eukalyptus**
-Tree, up to 45m high, native to Australia, cultivated elsewhere (South Africa); bark shortly fibrous ("peppermint"), grey to grey-brown, shedding in long ribbons; young leaves broad lanceolate or lanceolate, green;
+Tree, up to 45m high, native to Australia, cultivated elsewhere (South Africa); bark shortly fibrous ("peppermint"), grey to grey-brown, shedding in long ribbons; young leaves sessile, opposite, broad lanceolate or lanceolate, green; adult leaves alternate, petiolate, lanceolate to narrow lanceolate, olive green;
-adult leaves lanceolate to narrow lanceolate, olive green;
 Eucalyptus radiata Sieber ex DC subsp. radiata = Eucalyptus radiata subsp. robertsonii.: Forth river peppermint, Robertson's peppermint \\
 [[http://dpipwe.tas.gov.au/Documents/Eucalyptus-radiata-subsp-radiata-notesheet.pdf]]
-Main components of the essential oil from Eucalyptus radiata leaves collected in Tunisia were 1,8-cineole (69.5%), α-pinene (11.9%) and trans-pinocarveol (4.8%). \\
+|{{1.8cineole.jpg| 1.8-cineole}} \\ 1.8-cineole |{{:terpineol_alpha.jpg| α-terpineol}} \\ α-terpineol | {{:limonene.jpg| limonene }} \\ limonene |{{:alpha_pinene.jpg| α-pinene}} |
-[Bendaoud, Houcine, et al. "GC/MS analysis and antimicrobial and antioxidant activities of essential oil of Eucalyptus radiata." Journal of the Science of Food and Agriculture 89.8 (2009): 1292-1297]
+compounds have been identified in 23 E.radiata leaf essential oil samples from South Africa (yield 0.14-4.31%). The highest essential oil yields can be obtained during spring/summer months (high rainfall and high temperature conditions) from mature leaves. Major compounds were 1,8-cineole (65.7% ± 9.5), α-terpineol (12.8% ± 4.4) and limonene (6.5% ± 2.4). \\
+Literature shows that 1,8-cineole (69.5-82.6%) was also major component in E.radiata oils from Australia, India, Zambia, Germany, and Tunisia. Minor components were α-terpineol (7.0-12.4%), α-pinene (0-11.9%), and limonene (0-7.3%). \\
+[Mahumane, Gillian Dumsile. Antimicrobial activity and chemical analysis of eucalyptus radiata leaf essential oil. Diss. 2016]
+{{:eucalyptus_radiata.jpg?600}} \\
+Eucalyptus radiata A. Cunn. ex DC. \\
+Memoires de la Société de physique et d’histoire naturelle de Genève, vol.9 t.7 (1841-1842) [J.C.Heyland] \\
+[[http://botanicalillustrations.org/species.php?id_species=411235]]

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