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calocedrus_decurrens_torr._florin [2017/10/19 21:10]
andreas 		calocedrus_decurrens_torr._florin [2018/04/10 09:23]
andreas
Zeile 17: Zeile 17:
 Steam distillation of C.decurrens heartwood gave 0.6% of an essential oil composed mainly of p-cymene and p-menthane derivatives. Thymoquinone (35.9%), carvacrol (29.2%), p-methoxythymol 11% and p-methoxycarvacrol 3.2% were the main components. "The tropolone [[http://www.thegoodscentscompany.com/data/rw1044801.html|beta-thujaplicin]] (hinokitiol) was only present in trace amounts. The high concentrations of thymoquinone and carvacrol alone can account for the previously observed high bioactivity of this oil. Carvacrol is well known for its antimicrobial, antioxidant, insecticidal, and repellent activities." \\ Steam distillation of C.decurrens heartwood gave 0.6% of an essential oil composed mainly of p-cymene and p-menthane derivatives. Thymoquinone (35.9%), carvacrol (29.2%), p-methoxythymol 11% and p-methoxycarvacrol 3.2% were the main components. "The tropolone [[http://www.thegoodscentscompany.com/data/rw1044801.html|beta-thujaplicin]] (hinokitiol) was only present in trace amounts. The high concentrations of thymoquinone and carvacrol alone can account for the previously observed high bioactivity of this oil. Carvacrol is well known for its antimicrobial, antioxidant, insecticidal, and repellent activities." \\
 [Composition of the heartwood essential oil of incense cedar (Calocedrus decurrens Torr.)., Veluthoor, S., Kelsey, R.G., González-Hernández, M.P., Panella, N., Dolan, M., Karchesy, J., Holzforschung, 65(3), 2011, 333-336] [[http://www.fs.fed.us/pnw/pubs/journals/pnw_2011_veluthoor.pdf]] [Composition of the heartwood essential oil of incense cedar (Calocedrus decurrens Torr.)., Veluthoor, S., Kelsey, R.G., González-Hernández, M.P., Panella, N., Dolan, M., Karchesy, J., Holzforschung, 65(3), 2011, 333-336] [[http://www.fs.fed.us/pnw/pubs/journals/pnw_2011_veluthoor.pdf]]
 +
 +"Among the main odorants [of the wood from C.decurrens] found were a series of terpenes, several degradation products of fatty acids, and a number of odorants with a phenolic core moiety. Five odorants are reported here for the first time as wood odorants, such as γ-octalactone and 3-phenylpropanoic acid; thymoquinone was demonstrated for the first time to have a pencil-like odor quality." \\
 +[Schreiner, Linda, Helene M. Loos, and Andrea Buettner. "Identification of odorants in wood of Calocedrus decurrens (Torr.) Florin by aroma extract dilution analysis and two-dimensional gas chromatography-mass spectrometry/olfactometry." Analytical and bioanalytical chemistry 409.15 (2017): 3719-3729]
    
 {{:calocedrus_decurrens.jpg?600}} \\ {{:calocedrus_decurrens.jpg?600}} \\
calocedrus_decurrens_torr._florin.txt · Zuletzt geändert: 2022/06/05 11:57 von andreas

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