selective focus of a bottle of bht or butylated hydroxytoluene chemical antioxidant beside a petri dish.

additive analysis antioxidant background beaker beside bht biochemistry blue blur blurred blurry bottle butylated chemical chemistry closeup compound container copy cosmetics crystalline crystals dish drug experiment focus food hydroxytoluene industrial industry ingredient lab label labeled laboratory petri pharmaceutical plastic powder preservative pure reagent research science scientific selective sour space study substance table test testing white