E320 – Butylated Hydroxyanisole (BHA)
AntioxidantsDescription
White or slightly yellow waxy solid with a faint aromatic odor
Risks
Possible endocrine disruption; evidence of tumor promotion in specific animal models (IARC Group 2B classification)
Notes
BHA (butylated hydroxyanisole) is a synthetic antioxidant created in chemical facilities by modifying anisole, a compound that naturally occurs in anise plants, though the BHA used in food is made artificially. The manufacturing process involves adding specific chemical groups to create a white, waxy solid with a faint aromatic smell. This waxy texture makes it particularly useful for protecting fats and oils in various food products. As an antioxidant, BHA prevents fats, oils, and fat-soluble vitamins from going rancid when exposed to air. This helps maintain the flavor, color, and nutritional value of foods during storage. You'll typically find BHA in cereals, snack foods, baked goods, chewing gum, processed meats, and cosmetics. It's particularly common in products that contain fats or oils and need to maintain quality during extended shelf storage. BHA is a synthetic compound and is suitable for vegetarian and vegan diets since it's produced chemically rather than derived from animals. However, it has been the subject of some health discussions over the years, with different regulatory agencies taking varying approaches to its use. While approved in many countries including the United States, some regions have restrictions or have moved toward alternative preservatives. Consumers who prefer to avoid synthetic antioxidants often look for products preserved with natural alternatives like vitamin E (tocopherols).