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borago_officinalis_l [2015/06/16 08:34]
andreas 		borago_officinalis_l [2015/06/16 12:03]
andreas
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-Borago officinalis L. - Boraginaceae - borage, starflower, tailwort, **Boretsch**, Boretsch, Gurkenkraut+Borago officinalis L. - Boraginaceae - borage, starflower, tailwort, **Boretsch**, Borretsch, Gurkenkraut
  
 Annual herb, up to 70cm tall, native to Europe, Mediterranean, naturalized and cultivated elsewhere; stems erect, branched; leaves alternate, 3-10cm long, elliptic to ovate; flowers petioled, wheel-shaped, bright blue, occasionally white, antheres black-violet. Annual herb, up to 70cm tall, native to Europe, Mediterranean, naturalized and cultivated elsewhere; stems erect, branched; leaves alternate, 3-10cm long, elliptic to ovate; flowers petioled, wheel-shaped, bright blue, occasionally white, antheres black-violet.
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 "Gas chromatography–mass spectrometry analysis of seed Borago officinalis essential oil (EO) revealed the presence of 16 volatile components. β-Caryophyllene (26%) and p-cymene-8-ol (19.7%) represented the major components, while nonadecane (0.7%) and hexanol (0.7%) were the minor ones. The EO composition was characterized by higher abundance of oxygenated monoterpenes (27.7%), followed by sesquiterpenes (26%). Fatty acid composition showed the predominance of linoleic (35.4%), oleic (24.2%) and γ-linolenic (20.4%) acids." \\ "Gas chromatography–mass spectrometry analysis of seed Borago officinalis essential oil (EO) revealed the presence of 16 volatile components. β-Caryophyllene (26%) and p-cymene-8-ol (19.7%) represented the major components, while nonadecane (0.7%) and hexanol (0.7%) were the minor ones. The EO composition was characterized by higher abundance of oxygenated monoterpenes (27.7%), followed by sesquiterpenes (26%). Fatty acid composition showed the predominance of linoleic (35.4%), oleic (24.2%) and γ-linolenic (20.4%) acids." \\
 [Biochemical characterization of borage (Borago officinalis L.) seeds., Mhamdi, B., Wannes, W.A., Bourgou, S., Marzouk, B., Journal of food biochemistry, 33(3), 2009, 331-341] [Biochemical characterization of borage (Borago officinalis L.) seeds., Mhamdi, B., Wannes, W.A., Bourgou, S., Marzouk, B., Journal of food biochemistry, 33(3), 2009, 331-341]
 +
 +In the essential oil of young stalk leaves of B.officinalis (60 days after cotyledon appearing), by far the major compound was (E,E)-2,4-decadienal (66.8%). Besides this aldehyde, older leaves contained octanal, decanal and undecanal and the percentage of green alcohols, mainly (Z)-3-Hexenol and hexanol, rised. Monoterpene hydrocarbons like β-pinene and β-thujene were also present like traces of linalool, geraniol, β-damascone, β-ionone, eugenol, methyl eugenol, phenol and carvacrol. \\
 +[Fatty acids and essential oil composition of borage (Borago officinalis L.) stalk leaves during their development., Baya, M., Wissem, A.W., Marzouk, B., Rivista Italiana delle sostanze grasseI, 87(3), 2010, 196-200]       
  
 {{:borago_officinalis_bw.jpg?500}} \\ {{:borago_officinalis_bw.jpg?500}} \\
 Baillon,H.E., Histoire des plantes, vol.10 p.343, fig.240,244 (1888-1891) [A.Faguet] \\ Baillon,H.E., Histoire des plantes, vol.10 p.343, fig.240,244 (1888-1891) [A.Faguet] \\
 [[http://plantgenera.org/species.php?id_species=150653]] [[http://plantgenera.org/species.php?id_species=150653]]
borago_officinalis_l.txt · Zuletzt geändert: 2017/10/19 20:33 von andreas

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