Is it possible to replace the antioxidant and anti-bacterial properties of sulphur with a preservative made from grape seeds?
Yes, that is the idea of Intergrapes in Italy after seven years of study. They claim that the preservative is as effective as sulphur and that the wine better retains its natural flavours. Moreover, says Intergrapes, the wine can be aged for a longer period than a wine with no sulphur.
The preservative is made from polyphenols found naturally in grape seeds. The solution is added to the must and wine during the vinification.
Studies have so far been made only by Intergrapes and we look forward to hearing other opinions about this new preservative.
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