Butylated hydroxyanisole (BHA) is an antioxidant consisting of a mixture of two isomeric organic compounds, 2-tert-butyl-4-hydroxyanisole and 3-tert-butyl-4-hydroxyanisole. It is prepared from 4-methoxyphenyl and isobutylene. It is a waxy solid used as a food additive with the E number E320. The primary use for BHA is as an antioxidant and preservative in food, food packaging, animal feed, cosmetics, rubber, and petroleum products. BHA also is commonly used in medicines, such as cholecalciferol (Vitamin D3), isotretinoin, lovastatin, and simvastatin, among others.
BHA has been added to edible fats and fat-containing foods for its antioxidant properties as it prevents rancidification of food which creates objectionable odors. Like butylated hydroxytoluene (BHT), the conjugated aromatic ring of BHA is able to stabilize free radicals, sequestering them. By acting as free radical scavengers, further free radical reactions are prevented.
Animal:- BHA induces benign and malignant tumors of the forestomach in rats and hamsters by the administration through diet. It is toxic to the reproductive system and embryo in rats but not toxic to rabbits, pigs, or rhesus monkeys.
Human:- Workers exposed to BHA should wear personal protective equipment and take measures to prevent any contact with the skin and mucous membranes.
Approximately 50 countries reportedly permit the use of BHA as a food additive. BHA is classified as Generally Recognized as Safe by the US Food and Drug Administration when the total content of antioxidants represents not more than 0.02% w/w of the total fat or oil content of the food. It is also permitted at maximum levels of 0.001–0.02% in other specific products.
Other Names: BHA
Type: Antioxidants, Preservatives
Character: white or yellowish powder
Grade: food grade
Application: as a food antioxidant
Storage: in the shade
Shelf Life: 2 Years
Sample: Available
Form: Powder Form
Type: Antioxidants
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