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Comparative study of the whisky aroma profile based on headspace solid phase microextraction using different fibre coatings

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Academic year: 2018

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Fig. 1. Influence of the type of HS-SPME fibre coatings on the GC–MS peak area for the total fraction of the volatile compounds in BL whisky sample, using an extraction temperature of 30 ◦ C and an extraction time of 60 min.
Fig. 3. Influence of the sampling time on the extraction efficiency for volatile compounds, during dynamic headspace SPME extraction using a 75 ␮m CAR/PDMS fibre (extraction of salt saturated sample—30% (w/v) NaCl at 40 ◦ C), expressed as peak area.
Fig. 4. Typical total ion chromatogram of volatile constituents from HC, BL and Ball s samples obtained by SPME using a CAR/PDMS coating in the headspace sampling mode
Fig. 5. Relative composition of the highland clan (HC), black label (BL) and ballantines (Ball) – ethyl esters – EE; monoterpenes, terpenols and C 13 norisoprenoids – Ter/Nor; higher alcohols – HA; acetates – Acet; isoamyl esters – IsoEst; fatty acids – FA

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