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brugmansia_suaveolens_humb._bonpl._ex_willd._bercht._j.presl [2017/04/17 19:21] andreas |
brugmansia_suaveolens_humb._bonpl._ex_willd._bercht._j.presl [2019/03/19 11:53] andreas |
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white angel' | white angel' | ||
- | Shrub or small tree, up to 3-5m high, native to Brazil, cultivated as ornamental; leaves oval, 15-30cm long; flowers drooping, sweetly fragrant, 20-30cm long, white, yellowish, or yellowish-pink. [[https:// | + | Shrub or small tree, up to 3-5m high, native to Brazil, cultivated as ornamental; leaves oval, 15-30cm long; flowers drooping, sweetly fragrant, 20-30cm long, white, yellowish, or yellowish-pink. |
+ | [[https:// | ||
+ | [[http:// | ||
- | Main components | + | Main constituents |
[Knudsen, Jette T., and Lars Tollsten. " | [Knudsen, Jette T., and Lars Tollsten. " | ||
- | The maximum quantity of volatiles is generated by the flowers of B.suaveolens during nighttime, with a peak at around 9 p.m.:\\ | + | The maximum quantity of volatiles is generated by the flowers of B.suaveolens during nighttime, with a peak at around 9 p.m. (some compounds showed also their highest proportion, like geraniol 5.2%, geranial 1.9%, indole 1.8%, farnesol 1.1%, farnesal 0.5%, benzyl benzoate 0.7%, and benzyl salicylate 0.7%):\\ |
"At that time, the flower smell used to be particularly rich, deep, and very intensive. As it can be appreciated from Table 3, the flower volatile composition varied from hour to hour. Principal component analysis (PCA), applied to the study of B. suaveolens volatiles, permits the differentiation of two groups of flower scent compositions, | "At that time, the flower smell used to be particularly rich, deep, and very intensive. As it can be appreciated from Table 3, the flower volatile composition varied from hour to hour. Principal component analysis (PCA), applied to the study of B. suaveolens volatiles, permits the differentiation of two groups of flower scent compositions, | ||
turned to be extremely intensive. Some of the compounds, e.g., indole, benzyl benzoate, benzyl salicylate, and farnesal, were generated at detectable level only during the night, and decreased dramatically with daylight. | turned to be extremely intensive. Some of the compounds, e.g., indole, benzyl benzoate, benzyl salicylate, and farnesal, were generated at detectable level only during the night, and decreased dramatically with daylight. | ||
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[Composition of the floral essential oil of // | [Composition of the floral essential oil of // | ||
- | {{: | + | {{: |
Brugmansia suaveolens flowering, [[https:// | Brugmansia suaveolens flowering, [[https:// |