Stir-fried rice, also called oil leftover fried rice,)is made by stir-frying rice in the remaining small amount of oil from a previous dish.Although this method maximizes the use of oil, it can be harmful to health.Because after stir-frying, the residue in the pot not only includes oil but also monosodium glutamate,sodium chloride,soy saucesoy sauceand due to heat, these substances may undergo caramelization and easily form carcinogenic compounds.Therefore, it is not advisable to stir-fry rice using the leftover oil from a previous dish.