Benutzer-Werkzeuge

Webseiten-Werkzeuge


boronia_megastigma_nees_ex_bartl

Unterschiede

Hier werden die Unterschiede zwischen zwei Versionen angezeigt.

Link zu dieser Vergleichsansicht

Beide Seiten der vorigen Revision Vorhergehende Überarbeitung
Nächste Überarbeitung
Vorhergehende Überarbeitung
Nächste Überarbeitung Beide Seiten der Revision
boronia_megastigma_nees_ex_bartl [2015/07/20 00:31]
andreas
boronia_megastigma_nees_ex_bartl [2015/07/20 11:49]
andreas
Zeile 3: Zeile 3:
 Erect shrub, up to 2m tall, native to Western Asutralia, cultivated there; laeves linear, dark green, up to 1.5cm long; flowers dark reddish-purple to brown externally and bright yellow inside. \\ Erect shrub, up to 2m tall, native to Western Asutralia, cultivated there; laeves linear, dark green, up to 1.5cm long; flowers dark reddish-purple to brown externally and bright yellow inside. \\
 [[http://florabase.dpaw.wa.gov.au/browse/profile/4428]] [[http://florabase.dpaw.wa.gov.au/browse/profile/4428]]
 +
 +Constituents of the absolute of B.megastigma from Tasmania were β-ionone and many of its derivatives like 7,8-dihydro-β-ionone, 7,8-dihydro-β-ionol, 4-oxo-β-ionone, 4-hydroxy-β-ionone, 4-oxo-β-ionol, and 3-hydroxy-β-ionone as well as isomeric 3-hydroxymegastigm-7-en-9-ones and megastigm-7-ene-3,9-dione. Furthermore, methyl (Z,E)-4-(geranyloxy)cinnamates, methyl (Z,E)-4-(5-hydroxy-geranyloxy)-cinnamates, alkyl esters of 8-hydroxylinalool, and N-[2-(4-prenyloxyphenyl)ethyl]tiglamide were identified. \\
 +[Megastigmanes and other constituents of the absolute of Boronia megastigma from Tasmania., Weyerstahl, P., Marschall, H., Bork, W.R., Rilk, R., Liebigs Annalen der Chemie, 1994(10), 1043-1047] \\
 +[Constituents of the absolute of Boronia megastigma Nees. from Tasmania., Weyerstahl, P., Marschall, H., Bork, W.R., Rilk, R., Schneider, S., Wahlburg, H.C., Flavour and fragrance journal, 10(5), 1995, 297-311]
 +
 +In freshly open flowers, principle components were β-ionone (115-1092µg per g f.w.), dodecyl acetate (112-631µg), α-pinene (0-138µg) and β-pinene (0-109µg). Ethanolic extracts of petals and stigmas containing mostly β-ionone, dodecyl acetate and  (Z)-heptadec-8-ene, whereas ovaries providing mostly α-pinene and β-pinene. \\
 +[Flower and volatile oil ontogeny in Boronia megastigma., Bussell, B.M., Considine, J.A., Spadek, Z.E., Annals of Botany, 76(5), 1995, 457-463] [[http://aob.oxfordjournals.org/content/76/5/457.full.pdf]]
  
 "Boronia megastigma Nees. (brown boronia, family Rutaceae) is an endemic shrub grown commercially in Tasmania for production of a highly valued floral extract. The strongly perfumed red-brown and golden boronia flowers are harvested in September. A yellow-brown waxy concrete is extracted from the flowers to yield between 0.3 "Boronia megastigma Nees. (brown boronia, family Rutaceae) is an endemic shrub grown commercially in Tasmania for production of a highly valued floral extract. The strongly perfumed red-brown and golden boronia flowers are harvested in September. A yellow-brown waxy concrete is extracted from the flowers to yield between 0.3
Zeile 9: Zeile 16:
 and raspberries emerge before finishing with a slightly spicy-herbaceous (cinnamon and tobacco leaf), woody dry-out (Guenther, 1974; Roberts, 1984; Weyerstahl et al., 1994)... β-ionone, dodecyl acetate and (Z)-heptadec-8-ene occurred in extract from all five develelopment stages..." \\ and raspberries emerge before finishing with a slightly spicy-herbaceous (cinnamon and tobacco leaf), woody dry-out (Guenther, 1974; Roberts, 1984; Weyerstahl et al., 1994)... β-ionone, dodecyl acetate and (Z)-heptadec-8-ene occurred in extract from all five develelopment stages..." \\
 [The Effect of Flower Maturity and Harvest Timing on Floral Extract fromBoronia megastigma (Nees)., Mactavish, H.S., Menary, R.C., Annals of Botany, 80(3), 1997, 299-303] [[http://aob.oxfordjournals.org/content/80/3/299.full.pdf]] [The Effect of Flower Maturity and Harvest Timing on Floral Extract fromBoronia megastigma (Nees)., Mactavish, H.S., Menary, R.C., Annals of Botany, 80(3), 1997, 299-303] [[http://aob.oxfordjournals.org/content/80/3/299.full.pdf]]
 +
  
 {{:boronia_megastigma.jpg?500}} \\ {{:boronia_megastigma.jpg?500}} \\
 Curtis’s Botanical Magazine, vol.99 [ser.3, vol.29] t.6046 (1873) [W.H.Fitch] \\ Curtis’s Botanical Magazine, vol.99 [ser.3, vol.29] t.6046 (1873) [W.H.Fitch] \\
 [[http://plantgenera.org/species.php?id_species=150942]] [[http://plantgenera.org/species.php?id_species=150942]]
boronia_megastigma_nees_ex_bartl.txt · Zuletzt geändert: 2019/04/27 12:35 von andreas