SUMMARY— The nitrogen compounds from a Jamaica rum and a Scotch blended whiskey were isolated and identified by gas chromatography and mass spectrometry. In both spirits were found: pyridine, α‐picoline, β‐picoline, thiazole, methylpyrazine, 2,5‐dimethylpyrazine, 2,6‐dimethylpyrazine, 2,3‐dimethylpyrazine, 2‐methyl‐6‐ethy/pyrazine, 2‐methyl‐5‐ethylpyrazine, trimethylpyrazine and 2.5.dimethyl‐3‐ethylpyrazine. 2.Methyl‐6‐vinylpyrazine was detected only in rum. Nine compounds in whiskey and eleven in rum have not previously been reported as constituents of these drinks or fusel oils.
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