Potassium Sorbate And TBHQ Added To Retain Freshness

Potassium sorbate is the potassium salt of sorbic acid, a naturally occurring compound found in some fruits. It is manufactured industrially by neutralizing sorbic acid with potassium hydroxide. TBHQ (tertiary butylhydroquinone) is a synthetic antioxidant produced from tert-butyl alcohol and hydroquinone.

Potassium sorbate and TBHQ are often used together as preservatives in a wide variety of foods. Potassium sorbate inhibits the growth of mold, yeast, and some bacteria, while TBHQ prevents fats and oils from becoming rancid. They are commonly found in baked goods, snack cakes, processed meats, and some dairy products to extend shelf life and maintain quality.

Potassium sorbate is Generally Recognized As Safe (GRAS) by the FDA for use as a food preservative. TBHQ is also an FDA-approved food additive. Both substances have been evaluated by international bodies like JECFA and EFSA, which have established acceptable daily intake levels. While generally considered safe at typical consumption levels, some studies have explored potential effects of high doses, though evidence is mixed and not conclusive for typical dietary exposure.