Batch distillation of grappa: effect of the recycling operation
DA PORTO, Carla
•
NATOLINO, Andrea
•
DECORTI, Deborha
2010
Periodico
INTERNATIONAL JOURNAL OF FOOD SCIENCE & TECHNOLOGY
Abstract
The effect of the recycling of foreshots and feints during batch distillation of marc has been evaluated. The distillation behaviour of ethanol and congeners was found to be unchanged by the recycle. Instead, the chemical composition of the middle-cut fraction obtained with recycle of foreshots and feints proved to be richer in ethanol (+4%), higher alcohols (+7%), esters (+13%) and aldehydes (+10%).
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