frosted cupcake

BHA is an antioxidant and a preservative of fats and oils used in baked goods.


Also known as Butylated Hydroxyanisole

What is BHA?

BHA is an antioxidant as well as a preservative of fats and oils in food products.


BHA was first used as an antioxidant in 1947. It is an aromatic compound synthesized from the reaction of 4-methoxyphenol and isobutylene.


BHA is oxidizable and fat soluble. It is used in preventing spoilage in baked goods by preserving the present fats. In addition, BHA can also be used as a yeast de-foaming agent in bread making.


BHA is an aromatic organic compound called 2- and 3-tert-butyl-4-methoxyphenol. However, BHA can exist in either of the two isomeric forms or as a mixture of the two isomers.

BHA composition

Chemical structure of BHA.