butylated hydroxyanisole

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bu·tyl·at·ed hy·drox·y·an·is·ole (BHA),

(byū'tĭl-ā'ted hī-droks'ē-an'ĭ-zōl),
hydroxytoluene propyl gallate, hydroquinone, methionine. An antioxidant used in foods.

BHA

A waxy combination of 2-tert-butyl-4-hydroxyanisole and 3-tert-butyl-4-hydroxyanisole, which is an antioxidant.

Alternative medicine
BHA-rich diets in pregnant mice allegedly reduce cholinesterase activity in offspring, and impact on their level of aggressiveness, sleep patterns and weight.
 
Carcinogenicity
Uncertain; BHA has been linked to neoplasia of squamous epithelium, including papillomas and squamous cell carcinoma.
 
Toxicity
Heart palpitations, headaches, nausea, nerve damage.

Food industry
BHA is used as a preservative in foods, feeds, cosmetics, rubbers, drugs (e.g., statins and isoretinoin) and in petroleum products. BHA is used in food processing and packaging to prevent fats and oils from becoming rancid.

butylated hydroxyanisole

BHA A preservative used in the food processing industry to prevent fats and oils from becoming rancid, it also added to packaged foods; a BHA-rich diet in pregnant mice is alleged to significantly reduce cholinesterase activity in offspring, and impact on the animals' level of aggressiveness, sleep patterns, and weight. See Alternative medicine, BHT.