Widely known for its ability to stop the growth of yeast, the potassium sorbate has been used popularly as a preservative in all kinds of foods. Also, potassium sorbate is what helps to brew the beer by stopping the growth of yeast at the correct time.
What Is Potassium Sorbate and Why Is It In My Food?
You do not need to use specialized wine yeast when making wine at home. Even if your recipe calls for wine yeast, you can easily substitute bread yeast without having an adverse.
Potassium Sorbate - 1 lb. - Potassium sorbate dissolves completely in wine to prevent yeast from fermenting. This product will not stop an active fermentation. It is typically used prior to bottling to prevent carbonating your wine. Use 1/2 teaspoon per gallon. 1 lb Size.