Dear Lionel, You'd be surprised how common egg whites are in the production of wine. Egg whites (as well as powdered clay, gelatin and even fish bladders) can be used in the "fining," or clarification ...

A clarification technique that can prevent the formation of crystals in wine bottles. Prior to bottling, the wine's temperature is lowered to approximately 30° F for two weeks, causing the tartrates ...

For the production of vegan wines, it is essential to use only non-animal additives and adjuvants in the clarification and ...