Oct 31, 2021 · BHT (Food Grade) may be used, either alone or in combination with BHA, to stabilize edible tallows and fats, fish and fish liver oils, vitamins and essential oils. Protect your salad and cooking oil. NCI Thesaurus (NCIt) Butylated hydroxytoluene is a white crystalline solid. BHA and BHT are oxidants, which have been shown to form potentially ...