Potassium benzoate is a chemical compound made from potassium and benzoic acid. It is often used as a preservative in food and beverages to prevent the growth of bacteria, fungi, and yeast. Full definition
Carbonated water, some sort of food coloring, and preservatives like potassium benzoate are all innocuous enough. (marksdailyapple.com)
Agreed, I have stopped drinking diet sodas, not because of the reasons stated above, but because Sodium and Potassium Benzoate in the presence of vitamin C (ascorbic acid) and sunlight can produce benzene, a known carcinogen. (marksdailyapple.com)
The sodium benzoate and potassium benzoate present in the inhibitors are known to damage the cell walls. (fitnessandpower.com)