BHA and BHT prevent oxidative spoilage of unsaturated fats and oils. They are most commonly used in snacks such as potato chips, cheese balls, etc.

Do you know that...

(Chemistry)
At first glance, many substances added to food may seem strange when listed on the ingredient label. However, they are actually quite familiar. For example:

Ascorbic acid = Vitamin C
Alphatocopherol = Vitamin E
Beta-carotene = Vitamin A

Remember that all food is made up of chemicals. It is really carbon, hydrogen, oxygen and other chemical elements which provide the basic building blocks for everything in life.

STRUCTURES OF SOME COMMON FOOD ADDITIVES