What basic requirements should be met when using food additives

It shall not cause any health hazard to human body, cover up food corruption, cover up quality defects of food itself or during processing, or use food additives for the purpose of adulteration, adulteration and forgery; The nutritional value of food itself should not be reduced; Reduce the dosage in food as much as possible under the expected effect; Processing aids used in the food industry should generally be removed before being made into finished products, except for those with specified residues in food.