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cinnamomum_camphora_l._siebold [2018/07/11 12:56] andreas |
cinnamomum_camphora_l._siebold [2021/03/30 10:33] (aktuell) andreas |
"The camphor tree, Cinnamomum camphora (L.) Nees et Eberm., is a major environmental weed in parts of eastern Australia, particularly in northeastern New South Wales. It occurs in this region in two chemotypic forms, discriminated on the basis of leaf oil: camphor and 1,8-cineole. Oil was extracted from various parts of trees of each of these chemotypes: leaf, fruit, branch, trunk and root. Analysis of the oil revealed that, for the camphor-type, camphor content was greater in leaves than in other tree parts, where cineole and safrole were also present in substantial proportions; and, for the cineole-type, 1,8-cineole, which with lesser quantities of sabinene and citronellol dominated the leaf oil, is reduced in significance in the trunk where camphor is also an important constituent." \\ | "The camphor tree, Cinnamomum camphora (L.) Nees et Eberm., is a major environmental weed in parts of eastern Australia, particularly in northeastern New South Wales. It occurs in this region in two chemotypic forms, discriminated on the basis of leaf oil: camphor and 1,8-cineole. Oil was extracted from various parts of trees of each of these chemotypes: leaf, fruit, branch, trunk and root. Analysis of the oil revealed that, for the camphor-type, camphor content was greater in leaves than in other tree parts, where cineole and safrole were also present in substantial proportions; and, for the cineole-type, 1,8-cineole, which with lesser quantities of sabinene and citronellol dominated the leaf oil, is reduced in significance in the trunk where camphor is also an important constituent." \\ |
[The essential oil of //Cinnamomum camphora// (L.) Nees and Eberm. - variation in oil composition throughout the tree in two chemotypes from eastern Australia. Stubbs, B. J., Specht, A., Brushett, D., Journal of Essential Oil Research, Vol.16(1), 2004, 9-14] | [The essential oil of //Cinnamomum camphora// (L.) Nees and Eberm. - variation in oil composition throughout the tree in two chemotypes from eastern Australia. Stubbs, B. J., Specht, A., Brushett, D., Journal of Essential Oil Research, Vol.16(1), 2004, 9-14] |
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| The chemical compositions of essential oil obtained from the fresh leaves of wild species belonging to Cinnamomum Sect. Camphor (Trew.) Meissn. in the southeastern of China showed broad variation. "After 3 years of investigation more than 1000 individuals, 7 chemotypes were classified in southeast China, including citral-type, linalool-type, camphor-type, cineol-type, safrole-type, methyleugenol-type and nerolidol-type..." Leaf essential oils may contain up to 95% of linalool or 97% of safrole e.g. \\ |
| [Zhang, Beihong, et al. "Chemical constituents and chemotypes of fresh leaf essential oil of wild species belonging to Sect. Camphor (Trew.) Meissn. in southeastern China." Journal of Essential Oil Bearing Plants 22.4 (2019): 1115-1122] |
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