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Identification of the characteristic odorants in fresh rhizomes of ginger (Zingiber officinale Roscoe) using aroma extract dilution analysis and modified multidimensional gas chromatography-mass spectroscopy


, : Identification of the characteristic odorants in fresh rhizomes of ginger (Zingiber officinale Roscoe) using aroma extract dilution analysis and modified multidimensional gas chromatography-mass spectroscopy. Journal of Agricultural and Food Chemistry 43(11): 2941-2945

An oxygenated hydrocarbon fraction of the extract from the fresh rhizomes of ginger was analyzed by capillary gas chromatography (GC) and eluate sniffing. The application of this technique to stepwise diluted extracts of the volatile compounds allowed the determination of the flavor dilution (FD) factor, which reveals the most intense flavor compounds of the extract. Twenty-two positions with a high FD factor were detected and further analyzed by GC-mass spectroscopy (MS) and/or a modified multidimensional GC-MS system. 2-Pinen-5-ol was tentatively identified as a new compound. Compounds with high FD factor were linalool, geraniol, geranial, neral, isoborneol, borneol, 1,8-cineol, 2-pinen-5-ol, geranyl acetate, (E)-2-octenal, (E)-2-decenal, and (E)-2-dodecenal. In addition, (E)-2-alkenals, 2-octyl acetate, 2-pinen-5-ol, 2-(2',3'-epoxy-3'-methylbutyl)-3-methylfuran, and (E)- and (Z)-3,7-dimethyl-3,6-octadienal were newly identified compounds in ginger.

Accession: 002863846

DOI: 10.1021/jf00059a031

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Related references

Nishimura, Osamu, 1995: Identification of the characterization odorants in fresh rhizomes of ginger (Zingiber officinale Roscoe) using aroma extract dilution analysis and modified multidimensional gas chromatography-mass spectroscopy. An oxygenated hydrocarbon fraction of the extract from the fresh rhizomes of ginger was analyzed by capillary gas chromatography (GC) and eluate sniffing. The application of this technique to stepwise diluted extracts of the volatile compounds all...

Nishimura, Osamu, 1995: Identification of the characteristic odorants in fresh rhizomes of ginger (Zingiber officinale Roscoe) using aroma extract dilution chromatography-mass spectroscopy. Journal of Agricultural and Food Chemistry 43: 41-5

Nishimura, O., 2001: Enantiomer separation of the characteristic odorants in Japanese fresh rhizomes of Zingiber officinale Roscoe (ginger) using multidimensional GC system and confirmation of the odour character of each enantiomer by GC-olfactometry. The fresh rhizomes of ginger (Z. officinale), grown in Japan, were extracted with n-hexane. The extract was fractionated into a hydrocarbon fraction (hexane fraction) and an oxygenated hydrocarbon fraction (CH< sub>2</ sub>Cl< sub&g...

Nishimura, O.; Kumazawa, K.; Nakajima, H.; Izumi, K., 1995: Volatile components of fresh rhizomes of ginger (Zingiber officinale Roscoe). The volatile components of fresh rhizomes were extracted with n-hexane. The extract was separated by column chromatography into two parts containing hydrocarbons and oxygen-containing compounds (O-part). The O-part was analysed using capillary GC...

Okwuowulu, P.A.; Nnodu, E.C., 1988: Some effects of pre-storage chemical treatments and age at harvesting on the storability of fresh ginger rhizomes (Zingiber officinale Roscoe). Post-harvest applications of benomyl (750 p.p.m. a.i.) and/or gibberellic acid (150 p.p.m.) were assessed in ginger rhizomes, harvested 4, 5, 6, 7 and 8 months after planting. The mixture of benomyl and gibberellic acid was most effective in contr...

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