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chrysopogon_zizanioides_l._roberty [2019/08/13 17:07]
andreas
chrysopogon_zizanioides_l._roberty [2019/08/15 18:06] (aktuell)
andreas
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 contribute to the total sensory impression. The main descriptor of the odour is undoubtfully precious //woody//. Three primary alcohols, all of them major constituents,​ are responsible for the base note, at first the strong smelling allyl alcohol [[http://​webbook.nist.gov/​cgi/​cbook.cgi?​ID=R341194&​Mask=2000|isovalencenol]],​ but also [[http://​webbook.nist.gov/​cgi/​cbook.cgi?​ID=R199314&​Mask=2000|vetiselinenol]] and [[http://​pubchem.ncbi.nlm.nih.gov/​compound/​167519|khusimol]]. The complex woody note of these three alcohols is slightly reminiscent of cedarwood, but there is also an ambery tonality (vetiselinenol) and a grapefruit note (khusimol)... In contrast, the major constituent β-vetivone according contribute to the total sensory impression. The main descriptor of the odour is undoubtfully precious //woody//. Three primary alcohols, all of them major constituents,​ are responsible for the base note, at first the strong smelling allyl alcohol [[http://​webbook.nist.gov/​cgi/​cbook.cgi?​ID=R341194&​Mask=2000|isovalencenol]],​ but also [[http://​webbook.nist.gov/​cgi/​cbook.cgi?​ID=R199314&​Mask=2000|vetiselinenol]] and [[http://​pubchem.ncbi.nlm.nih.gov/​compound/​167519|khusimol]]. The complex woody note of these three alcohols is slightly reminiscent of cedarwood, but there is also an ambery tonality (vetiselinenol) and a grapefruit note (khusimol)... In contrast, the major constituent β-vetivone according
 to Spreitzer et al., is not an important compound from the point of view of odour, although it displays to Spreitzer et al., is not an important compound from the point of view of odour, although it displays
-grapefruit and woody notes... The mixture of [[http://​webbook.nist.gov/​cgi/​inchi/​InChI=1S/​C15H22O/​c1-9-12-7-13%2816%2910%282%2915%2812%296-5-11%288-15%2914%289,​3%294/​h10-12H,​1,​5-8H2,​2-4H3|zizaenones]],​ ziza(6,​13)-en-3-one (2-β methyl group) and 2-epi-ziza(6,​13)-en-3-one (2-α methyl group), smells like khusimone but weaker. The aldehydes zizaenal (exhibiting also aldehydic melon and floral notes) and eremophiladienal are valuable typical vetiver-like +grapefruit and woody notes... The mixture of [[http://​webbook.nist.gov/​cgi/​inchi/​InChI=1S/​C15H22O/​c1-9-12-7-13%2816%2910%282%2915%2812%296-5-11%288-15%2914%289,​3%294/​h10-12H,​1,​5-8H2,​2-4H3|zizaenones]],​ ziza(6,​13)-en-3-one (2-β methyl group) and 2-epi-ziza(6,​13)-en-3-one (2-α methyl group), smells like khusimone but weaker. The aldehydes zizaenal (exhibiting also aldehydic melon and floral notes) and eremophiladienal are valuable typical vetiver-like elements..."​ \\
-elements..."​ \\+
 [Constituents of Haitian vetiver oil., Weyerstahl, P., Marschall, H., Splittgerber,​ U., Wolf, D., Surburg, H., Flavour and fragrance journal, 15(6), 2000, 395-412] [Constituents of Haitian vetiver oil., Weyerstahl, P., Marschall, H., Splittgerber,​ U., Wolf, D., Surburg, H., Flavour and fragrance journal, 15(6), 2000, 395-412]
  
 "The bourbon quality (10% of total production) possesses an additional rosy tonality with sulfury aspects, ​  while vetiver oil from Haiti (50% of total production) shows additional aspects reminiscent of jute and roasted peanuts, and the Java and China qualities (together 35% of total production) have harsh and smoky bynotes. All vetiver oils share, however, a characteristic and distinctive suave and sweet woody-earthy odor with green, grapefruit- and rhubarb-type facets that is much appreciated in perfumery."​ \\ "The bourbon quality (10% of total production) possesses an additional rosy tonality with sulfury aspects, ​  while vetiver oil from Haiti (50% of total production) shows additional aspects reminiscent of jute and roasted peanuts, and the Java and China qualities (together 35% of total production) have harsh and smoky bynotes. All vetiver oils share, however, a characteristic and distinctive suave and sweet woody-earthy odor with green, grapefruit- and rhubarb-type facets that is much appreciated in perfumery."​ \\
 +(–)-Khusimone as one of the most important constituents for the odor of vetiver oils shows an odor threshold of 4.7 ng/L (air). \\
 [Kraft, Philip, and Riccardo Cadalbert. "​Design,​ synthesis and structure-odor correlation of novel spiro [4.5]-decan-2-ones."​ Synthesis 2002.15 (2002): 2243-2253] see also [Ellena, J.C., H & R Contact 2000, 82, 27] [Kraft, Philip, and Riccardo Cadalbert. "​Design,​ synthesis and structure-odor correlation of novel spiro [4.5]-decan-2-ones."​ Synthesis 2002.15 (2002): 2243-2253] see also [Ellena, J.C., H & R Contact 2000, 82, 27]
  
chrysopogon_zizanioides_l._roberty.txt · Zuletzt geändert: 2019/08/15 18:06 von andreas