The aromatic profile of wine samples was determined following the protocol previously described [27 (link)], using a SPME Supelco (DVB/CAR/PDMS 50/30 μm coating thickness, St. Louis, MO, USA) for the sampling of volatiles, followed by gas chromatography–electron impact mass spectrometry (GC–EIMS) (Agilent Technologies Inc., Santa Clara, CA, USA).
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