This study demonstrates how changes in skin-contact duration and heads fraction affect terpene levels in pisco, suggesting better production practices for artisans.
Pisco is a traditional Peruvian spirit, and Muscat of Alexandria (“Italia”) is amongst the main grape varieties used to produce it. Pisco production is mainly artisanal and varies widely across regions and producers; more information is needed on the impact of different operations on its composition. This study demonstrated the effect of changes in skin-contact duration and the amount of “head fraction” discarded on terpene content to guide producers during Pisco manufacturing.
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Domenech et al. (2025) studied this question.
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