Stereodifferentiation of some chiral monoterpenes using multidimensional gas chromatography |
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| Authors: | C Askari U Hener H -G Schmarr A Rapp and A Mosandl |
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| Institution: | (1) Institut für Lebensmittelchemie, Universität Frankfurt, W-6000 Frankfurt/Main, Federal Republic of Germany;(2) Bundesforschungsanstalt für Rebenzüchtung, Geilweilerhof, W-6741 Siebeldingen, Federal Republic of Germany |
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| Abstract: | Summary Heptakis (2,3,6-tri-O-alkyl)- -cyclodextrins are used as chiral stationary phases for the resolution of  -pinene (1), -pinene (2), limonene (3), -terpineol (4), linalool (5) and the furanoid cis/trans linalool oxides (6) by chirospecific CGC-analysis. The first investigations on the direct chirality evaluation of the monoterpenoid grape and wine flavour compounds 4–6 are reported using enantioselective multidimensional gas chromatography (MDGC) and chiral main columns, coated with peralkylated -cyclodextrins. The fresh grape juice, the corresponding must, the young and the bottle maturated wine of muscat cultivars are investigated. |
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