Potassium sorbate is the potassium salt of sorbic acid. It is a white salt that is very soluble in water (58.2% at 20 °C). It is primarily used as a food preservative. Potassium sorbate is effective in a variety of applications including food, and personal care products. While sorbic acid is naturally occurring in some berries, virtually all of the world's production of sorbic acid, from which potassium sorbate is derived, is...

  Citric acid is a weak organic acid. It is a natural preservative/conservative which occurs naturally in citrus fruits and is also used to add an acidic or sour taste to foods and drinks. In biochemistry, the conjugate base of citric acid, citrate, is important as an intermediate in the citric acid cycle, which occurs in the metabolism of all aerobic organisms. It can exist either in an anhydrous (water-free) form or as a monohydrate....