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gardenia_taitensis_dc [2017/03/28 11:56]
andreas 		gardenia_taitensis_dc [2023/08/08 11:22] (aktuell)
andreas
Zeile 10: Zeile 10:
 "The major oxygenated constituents [of the hexan extract from concrete of G.taitensis flowers] were found to be linalool (4.4%), methyl salicylate (2.5%), (Z)-3-hexenyl benzoate (2.2%), dihydroconiferyl alcohol (1.1%), [[http://www.thegoodscentscompany.com/data/rw1010652.html|(Z)-3-hexenyl salicylate]] (0.7%), benzyl benzoate (6.2%), dihydroconiferyl acetate (12.2%), 2-phenylethyl benzoate (6.2%), benzyl salicylate (2.5%), geranyl benzoate (2.1%) and 2-phenylethyl salicylate (2.2%). The identification of numerous dihydroconiferyl esters appears to be unique to this species." \\ "The major oxygenated constituents [of the hexan extract from concrete of G.taitensis flowers] were found to be linalool (4.4%), methyl salicylate (2.5%), (Z)-3-hexenyl benzoate (2.2%), dihydroconiferyl alcohol (1.1%), [[http://www.thegoodscentscompany.com/data/rw1010652.html|(Z)-3-hexenyl salicylate]] (0.7%), benzyl benzoate (6.2%), dihydroconiferyl acetate (12.2%), 2-phenylethyl benzoate (6.2%), benzyl salicylate (2.5%), geranyl benzoate (2.1%) and 2-phenylethyl salicylate (2.2%). The identification of numerous dihydroconiferyl esters appears to be unique to this species." \\
 [Volatile constituents of the flower concrete of Gardenia taitensis DC., Claude-Lafontaine, A., Raharivelomanana, P., Bianchini, J. P., Schippa, C., Azzaro, M., Cambon, A., Journal of Essential Oil research, 4(4), 1992, 335-343] [Volatile constituents of the flower concrete of Gardenia taitensis DC., Claude-Lafontaine, A., Raharivelomanana, P., Bianchini, J. P., Schippa, C., Azzaro, M., Cambon, A., Journal of Essential Oil research, 4(4), 1992, 335-343]
 +
 +The headspace (SPME) of G.taitensis growing in New Caledonia contained mainly esters of (Z)-3-hexen-1-ol (free alcohol 0.8%) like (Z)-3-hexen-1-yl tiglate (39.6%), (Z)-3-hexen-1-yl acetate (2.7%), (Z)-3-hexen-1-yl butanoate (1.2%), (Z)-3-hexen-1-yl 2-methylbutanoate (0.5%), (Z)-3-hexen-1-yl (Z)-3-hexenoate (2.7%), and (Z)-3-hexen-1-yl benzoate (0.5%), together with linalool (11.8%), phenylacetaldoxime methyl ether (9.0%), methyl salicylate (18.0%), and 1H-indole (2.9%). Minor components were also 2-phenylethanol (0.7%), phenylacetonitrile (1.3%), 2-phenyl acetate (0.6%), hexyl tiglate (1.8%), and butyl benzoate (1.3%) e.g. \\
 +An inhouse-prepared absolute of the flowers contained as key odor contributors linalool (5.5%),  1-nitro-2-phenylethane (0.13%), phenylacetonitrile (0.88%), methyl salicylate (6.86%), together with 1H-indol (1.1%), (Z)-3-hexen-1-yl benzoate (9.0%), and (Z)-3-hexen-1-yl salicylate (5.1%) e.g. \\
 +[Joulain, Daniel. „Flower scents from the Pacific.“ Chemistry & biodiversity 5.6 (2008): 896-909] 
 +
 +"G.taitensis, well known as Tiaré, the National Flower of Tahiti, may look closer than G.jasminoides, but its scent is white-floral in another direction, without the typical fruity-floral lactonic note of jasmine lactone." G.taitensis has a maximum of odor emanation during night, characterized by (pollination adaption and) a high amount of salicylates as methyl salicylate, (Z)-3-hexen-1-yl salicylate, and benzyl salicylate (5%) in the headspace. \\ 
 +[Scent of a vanishing flora, Roman Kaiser, 2011, 25, 174]
  
 {{:gardenia_forsters.jpg?600}} \\ {{:gardenia_forsters.jpg?600}} \\
gardenia_taitensis_dc.1490694965.txt.gz · Zuletzt geändert: 2017/03/28 11:56 von andreas

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