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brugmansia_suaveolens_humb._bonpl._ex_willd._bercht._j.presl [2016/05/03 18:52] andreas |
brugmansia_suaveolens_humb._bonpl._ex_willd._bercht._j.presl [2019/03/19 11:53] andreas |
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Brugmansia suaveolens (Humb. & Bonpl. ex Willd.) Bercht. & J.Presl - syn.Datura suaveolens Humb. & Bonpl. ex Willd. - Solanaceae \\ | Brugmansia suaveolens (Humb. & Bonpl. ex Willd.) Bercht. & J.Presl - syn.Datura suaveolens Humb. & Bonpl. ex Willd. - Solanaceae \\ | ||
- | white angel' | + | white angel' |
- | Shrub or small tree, up to 3–5m high, native to Brazil; leaves | + | Shrub or small tree, up to 3-5m high, native to Brazil, cultivated as ornamental; leaves oval, 15-30cm |
+ | [[https:// | ||
+ | [[http:// | ||
- | The maximum quantity of volatiles is generated by the flowers of B.suaveolens during nighttime, with a peak at around 9 p.m.:\\ | + | Main constituents of the collected flower scent (223µg/6h) were 1.8-cineole (25.5%), methyl benzoate (18.7%), geraniol (17.9%), and α-terpineol (10.6%). Minor components were benzaldehyde (1.8%), benzyl alcohol (1.4%), sabinene (1.6%), myrcene (6.1%), limonene (3.3%), (Z)-β-ocimene (0.1%), (E)-β-ocimene (0.7%), linalool (1.0%), citronellal (0.5%), neral (0.2%), geranial (1.1%), geranyl acetate (0.1%), citronellol (0.6%), nerol (0.3%), and nerolidol (3.8%). \\ |
+ | [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. (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. |