BHT is the common abbreviation for butylated hydroxy toluene, a fat-soluble compound used as an antioxidant food additive, and as an antioxidant in rubber and petroleum products. It is also an ingredient of embalming fluid . Among its many names, it is also known as 2,6-Bis(1,1-dimethylethyl)-4-methylphenol and has the chemical formula C15 H24 O / C6H2(OH)(CH3)(C(CH3)3)2, has the structure of:
BHT was patented in 1947 and received approval of the Food and Drug Administration for use as a food additive and preservative in 1954. BHT is generally recognized as safe ( GRAS). BHT reacts with free radicals, slowing the rate of aut oxidation in food, preventing changes in the food's color, odor, and taste.
See also: BHABHA (or butylated hydroxyanisole is a fat-soluble antioxidant food additive. BHA is used to preserve fats and oils in food, cosmetics, and pharmaceuticals. It prevents spoilage by reacting with oxygen, thus keeping the oxygen from reacting with fats and o.
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