FNS  Vol.4 No.3 , March 2013
Analysis of Volatile Compounds and Identification of Characteristic Aroma Components of Toona sinensis (A. Juss.) Roem. Using GC-MS and GC-O
Abstract: In this study, volatile compounds present in Toona sinensis (A. Juss.) Roem (TS) were investigated and their characteristic aromatic components were identified using Headspace Solid-phase Microextraction (HS-SPME) followed by Gas Chromatography-Mass Spectrometry (GC-MS) and Gas Chromatography-Olfactometry (GC-O). The optimum conditions for extracting the volatiles from TS were achieved with the experimental parameters including the use of a 65 μm polydimethylsiloxane/divinyl benzene (PDMS/DVB) fibre, an extraction temperature of 40℃ and an extraction time of 30 min. Under these conditions, 56 volatile compounds were separated and 53 were identified by GC-MS. Among them, 21 sulfide compounds (42.146%) and 27 terpenes(55.984%) were found to be the major components. The sample was analyzed by GC-O and 26 elutes were sniffed and their sensory descriptions evaluated by an odor panelists. Analysis of the data indicated, two compounds cis and trans isomers of 2-Mercapto-3,4-dimethyl-2,3-dihydrothiophene were major contributors to the characteristic aroma of TS.
Cite this paper: C. Liu, J. Zhang, Z. Zhou, Z. Hua, H. Wan, Y. Xie, Z. Wang and L. Deng, "Analysis of Volatile Compounds and Identification of Characteristic Aroma Components of Toona sinensis (A. Juss.) Roem. Using GC-MS and GC-O," Food and Nutrition Sciences, Vol. 4 No. 3, 2013, pp. 305-314. doi: 10.4236/fns.2013.43041.

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