클로라이드 나트륨으로도 알려진 소금은 음식을 계약하고 보존하는 데 사용됩니다. 요오드는 요오드가 인체의 필수 트레이스 요소 중 하나이기 때문에 소금에 약간의 요오드가 추가되기 때문입니다. The human body has important functions such as regulating the production and decomposition of proteins, promoting the metabolism of sugar and fat, regulating the metabolism of water and salt, promoting the absorption and utilization of vitamins, and promoting growth and development. Iodine deficiency in the body will cause mental retardation for children and impair the mental function of adults, etc. Therefore, iodine should be added to salt to ensure the intake and absorption of iodine.