Abstract
Volatile essences of Calimyrna, Kadota, Black Mission and Adriatic figs were prepared by passing large volumes of headspace gas through porous polymer traps at room temperature. The essences were analysed by gas chromatography, utilising wall-coated open-tubular glass capillary columns; structural elucidations were based on gas chromatography-mass spectrometry. Differences between varieties appear to be quantitative rather than qualitative, and are not noticeably greater than differences between samples of the same variety. Compounds identified included acetaldehyde, dimethyl acetal, methyl acetate, ethyl acetate, ethyl alcohol, ethyl propionate, ethyl isobutyrate, propyl acetate, methyl butyrate, isobutyl acetate, ethyl butyrate, ethyl- 2-methyl butyrate, 2-methyl butyl acetate, 2-ethyl- 1,2-dihydrothiophene, ethyl valerate and 3-hydroxy- 2-butanone.
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