The objective of this study was to investigate the effect of modified carbonic maceration technique (MCM) on the chemical and sensory characteristics of 'Cabernet Sauvignon' wines at an industrial production scale. Wines made from MCM and cold maceration technique (COM, control) were analyzed chemically and sensorially. Wines made by MCM demonstrated higher L* and a* values but lower b* values, and higher anthocyanin concentrations, which indicated that MCM wines had a greater color intensity, more reddish and bluish hues compared to COM wines. MCM wines contained more flavonols but lower flavan-3-ols. MCM treatment reduced the concentration of C alcohols and some higher alcohols, and increased the concentration of esters, especially acetates. Moreover, sensory evaluation showed the MCM treatment increased the overall aroma intensity, due to the increase of black fruit and fresh fruit notes and the decrease of green note. In addition, MCM wines had lower astringency and persistence.
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