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cycas_revoluta_thunb [2016/03/31 13:55] – andreas | cycas_revoluta_thunb [2017/03/21 15:37] (aktuell) – andreas |
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[[http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200005230]] | [[http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200005230]] |
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"Bark boiled in water is used to wash burns." \\ | The scent of male and female cones of C.revoluta was described as strong and unpleasant. "...estragole (4-allylanisole) dominated in the volatiles (67.0-92.7%), with small amounts of other benzenoids, e.g., anethole, methyl salicylate, methyl eugenol, and ethyl benzoate. Several fatty acid esters were also detected in the samples from Iriomote Island." \\ |
[Medical ethnobotany of the Marma tribe of Bangladesh., Alam, M.K., Economic Botany, Vol.46(3), 1992, 330-335] | [Estragole (4-allylanisole) is the primary compound in volatiles emitted from the male and female cones of Cycas revoluta., Azuma, H., Kono, M., Journal of plant research, 119(6), 2006, 671-676] |
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"Skin infections. Leaves are crushed and applied to affected areas. Precautions: must not be applied too frequently." \\ | |{{estragole.jpg|}} \\ estragole (methyl chavicol) | {{anethol.jpg|anethole}} \\ anethole | {{betacyclocitral.jpg|β-cyclocitral}} \\ β-cyclocitral | |
[Ethnomedicinal survey of Bheramara area in Kushtia district, Bangladesh., Rahmatullah, M., Ferdausi, D., Mollik, M.A.H., Azam, M.N.K., Rahman, M.T., Jahan, R., American Eurasian Journal of Sustainable Agriculture, Vol.3(3), 2009, 534-541] | |
| A scent sample trapped from C.revoluta contained also estragole (33.0%) as dominating compound, together with [[http://www.thegoodscentscompany.com/data/rw1037211.html|β-cyclocitral]] (21.2%), isoamyl acetate (16.4%), acetoin (5.7%), and some anethole (2.7%). An old male specimen from Yunnan showed the enormous olfactory contribution made by some 3-isobutyl-2-methoxypyrazine (0.01%, //earthy, bell-pepper-related//), a compound found at 87% in the headspace of Cycas circinalis. \\ |
| [Scent of a vanishing flora, Roman Kaiser, 2011, 338-339] |
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"[[http://en.wikipedia.org/wiki/Cycasin|Cycasin]], a new toxic glycoside, C8H16O7N2, has been isolated from the seeds of Japanese cycad, ion-exchange resins and active carbon chromatography being used. From the results of the examination of the decomposition products such as nitrogen gas, formaldehyde, and cyanide etc. and of the ultraviolet and infrared absorption spectra, its aglycone is considered to be identical with that of macrozamin from Australian cycad, reported by Lythgoe et al. It is found, however, that the sugar component of cycasin is one molecule of glucose, unlike that of macrozamin namely primeverose. Cycasin is, therefore, concluded to be a new compound, glucosyloxyazoxymethane." \\ | "**Bark** boiled in water is used to wash burns." \\ |
| [Medical ethnobotany of the Marma tribe of Bangladesh., Alam, M.K., Economic Botany, Vol.46(3), 1992, 330-335] |
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| "Skin infections. **Leaves** are crushed and applied to affected areas. Precautions: must not be applied too frequently." \\ |
| [Ethnomedicinal survey of Bheramara area in Kushtia district, Bangladesh., Rahmatullah, M., Ferdausi, D., Mollik, M.A.H., Azam, M.N.K., Rahman, M.T., Jahan, R., American Eurasian Journal of Sustainable Agriculture, Vol.3(3), 2009, 534-541] |
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| "[[http://en.wikipedia.org/wiki/Cycasin|Cycasin]], a new toxic glycoside, C8H16O7N2, has been isolated from the **seeds** of Japanese cycad, ion-exchange resins and active carbon chromatography being used. From the results of the examination of the decomposition products such as nitrogen gas, formaldehyde, and cyanide etc. and of the ultraviolet and infrared absorption spectra, its aglycone is considered to be identical with that of macrozamin from Australian cycad, reported by Lythgoe et al. It is found, however, that the sugar component of cycasin is one molecule of glucose, unlike that of macrozamin namely primeverose. Cycasin is, therefore, concluded to be a new compound, glucosyloxyazoxymethane." \\ |
[12. Studies On Cycasin, a New Toxic Glycoside, of Cycas revoluta Thunb: Part 1. Isolation and the Structure of Cycasin., Nishida, K., Kobayashi, A., Nagahama, T., Journal of the Agricultural Chemical Society of Japan, VOl.19(1), 1955, 77-84] | [12. Studies On Cycasin, a New Toxic Glycoside, of Cycas revoluta Thunb: Part 1. Isolation and the Structure of Cycasin., Nishida, K., Kobayashi, A., Nagahama, T., Journal of the Agricultural Chemical Society of Japan, VOl.19(1), 1955, 77-84] |
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[LC–MS/MS determination of the isomeric neurotoxins BMAA (β-N-methylamino-l-alanine) and DAB (2, 4-diaminobutyric acid) in cyanobacteria and seeds of Cycas revoluta and Lathyrus latifolius., Krüger, T., Mönch, B., Oppenhäuser, S., Luckas, B., Toxicon, Vol.55(2), 2010, 547-557] | [LC–MS/MS determination of the isomeric neurotoxins BMAA (β-N-methylamino-l-alanine) and DAB (2, 4-diaminobutyric acid) in cyanobacteria and seeds of Cycas revoluta and Lathyrus latifolius., Krüger, T., Mönch, B., Oppenhäuser, S., Luckas, B., Toxicon, Vol.55(2), 2010, 547-557] |
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{{http://plantgenera.org/ILLUSTRATIONS_HD/9997.jpg?500}} \\ | {{:cycas_revoluta.jpg?800}}\\ |
Curtis’s Botanical Magazine, vol. 57 [ser. 2, vol. 4]: t. 2964 (1830) [W.J. Hooker] \\ | Cycas revoluta. Funchal, Madeira, Portugal |
[[http://plantgenera.org/species.php?id_species=302815]] | [[https://creativecommons.org/licenses/by-sa/4.0/deed.en|CC BY-SA 4.0]], Author: Luis Miguel Bugallo Sánchez (Lmbuga) [[https://commons.wikimedia.org/wiki/File:2016_Cycas_revoluta._Funchal._Madeira._Portugal-111.jpg|Wikimedia Commons]] |