Bentonite is a natural Wyoming clay which contains montmorillonite (a derivative of volcanic ash), which can be added to wine to remove the grape proteins remaining in solution. Bentonite carries a negative charge and attracts the positively charged proteins, removing them by precipitation. Otherwise these proteins might denature over time, causing a haze to develop in the wine (especially when stored in warm-hot conditions).
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Bell Mountain Appellation
November 10, 1986, was a momentous day for the wine industry of Texas. It was then the Department of Treasury (Bureau of ATF)...-
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