Functions of food additives 1. Preservatives- Keep food fresh and reduce spoilage. Control bacteria, mold, fungi, and yeast Benzoates BHT, BHA (antioxidants) Calcium Propionate(inhibits molds) Sodium Bisulfate Sodium nitrateFunctions of Food Additives 1. Preservatives – Keep food fresh and reduce spoilage. Control bacteria, mold, fungi, and yeast. Benzoates BHT, BHA (antioxidants) Calcium Propionate (inhibits molds) Sodium Bisulfate Sodium Nitrate