PERSPECTIVES OF UTILIZATION OF NANODISPERSIVE MATERIALS BASED ON SIO2, TIO2 AND SIO2–TIO2 FOR WINE FINING

Anastasiia SACHKO, Igor KOBASA, Olesya MOYSYURA

Abstract

The present paper analyzes the efficiency of various mineral fining agents (nano dispersion composites SiO2, TiO2, TiO2-SiO2, bentonite and saponite) in the process of white and red wines fining. The influence of both the mass of the adsorbent and the time of the storage in wine on the optical density of wine was investigated.The best results were obtained with TiO2, AMD-2 and SiO2 for white wines, and bentonite and AMD-2 – for red ones. It was shown that the optimal time of contact for wine with the fining agent is: four days - for white wines and two days for red ones.

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