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cucumis_sativus_l [2015/06/13 11:38]
127.0.0.1 Externe Bearbeitung 		cucumis_sativus_l [2016/06/14 14:41]
andreas
Zeile 9: Zeile 9:
 "The volatile components of cucumbers and muskmelons were analyzed by a technique which reveals the odorants having the highest odor units (ratio of the concentration to the odor threshold). (E/Z)-2,6-Nonadienal, followed by (Z)-2-nonenal and (E)-2-nonenal were the most significant odorants of cucumbers." \\ "The volatile components of cucumbers and muskmelons were analyzed by a technique which reveals the odorants having the highest odor units (ratio of the concentration to the odor threshold). (E/Z)-2,6-Nonadienal, followed by (Z)-2-nonenal and (E)-2-nonenal were the most significant odorants of cucumbers." \\
 [Evaluation of potent odorants in cucumbers (Cucumis sativus) and muskmelons (Cucumis melo) by aroma extract dilution analysis., Schieberle, P., Ofner, S., Grosch, W,, Journal of Food Science, Vol.55(1), 1990, 93-195] [Evaluation of potent odorants in cucumbers (Cucumis sativus) and muskmelons (Cucumis melo) by aroma extract dilution analysis., Schieberle, P., Ofner, S., Grosch, W,, Journal of Food Science, Vol.55(1), 1990, 93-195]
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 +{{:EZ26nonadienal.jpg|(E,Z)-2,6-nonadienal}} [[http://www.thegoodscentscompany.com/data/rw1031611.html|(E,Z)-2,6-nonadienal]]
  
 "The volatile (E,Z)-2,6-nonadienal (NDE) gives cucumber its 'fresh green' flavor and confers resistance to some bacteria and fungi. Lipoxygenase and one type of hydroperoxide lyase, 9-HPL, synthesize NDE from linolenic acid precursors. Genes encoding enzymes with 9-HPL activity are rarely found in other plants. However, cucumber contains two tandem HPL genes, one of which has been experimentally confirmed as encoding an enzyme with 9-HPL activity. The expansion of the LOX gene family and the duplicated HPL genes may be related to the high level of NDE synthesis in cucumber." \\ "The volatile (E,Z)-2,6-nonadienal (NDE) gives cucumber its 'fresh green' flavor and confers resistance to some bacteria and fungi. Lipoxygenase and one type of hydroperoxide lyase, 9-HPL, synthesize NDE from linolenic acid precursors. Genes encoding enzymes with 9-HPL activity are rarely found in other plants. However, cucumber contains two tandem HPL genes, one of which has been experimentally confirmed as encoding an enzyme with 9-HPL activity. The expansion of the LOX gene family and the duplicated HPL genes may be related to the high level of NDE synthesis in cucumber." \\
cucumis_sativus_l.txt · Zuletzt geändert: 2023/10/06 09:29 von andreas

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