Deposits in your bottles

The 06/12/2011 at 16:00

A deposit was formed at the bottom of your bottle? Don't panic! The deposits is part of the life of a wine.

depot dans les bouteilles de vin

Here's where it comes from:

Vin blanc :
After a harsh winter in the cellar or a fridge too cold, there are small colorless crystals. It is not sugar, it's that cold tartaric acid precipitated. If you eat these crystals, they bite the tongue slightly, indicating that the wine has lost some of its acidity.
Vin rouge :
The deposits appears after a few years of aging. The crystals or dust are crystals of tartaric acid harmless. The black dust represents the polyphenolic compounds.
C. Menozzi
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