2‐methoxy‐3‐sec‐butylpyrazine—an important contributor to carrot aroma

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Abstract
A concentrate obtained by concurrent solvent extraction‐steam distillation of carrots, Daucus carota L. gave complex chromatograms with more than 100 peaks. Attention was focused on a region of the chromatogram judged to be of sensory importance even though it contained components present only in very low concentrations. Procedures based on the use of glass porous layer open tubular (PLOT) capillary traps, a nitrogen selective detector and mass spectrometry led to the isolation and identification of 2‐methoxy‐3‐sec‐butylpyrazine. The possible significance of this highly potent odorant in carrot aroma is discussed.