People began to preserve food by pickling and drying long before the invention of food preservation technologies. Therefore, salt has played an irreplaceable role in food preservation the other day. Today, the application of salt has multiplied.
Food salt Salt is indispensable for cooking, and salted seasonings, processed foods, such as pickles, sweetmeats and soy sauce are very common foods and seasonings in our everyday lives.
Industrial salt Salt is known as the mother of the chemical industry because its major content is sodium chloride. After chemical decomposition, we can obtain sodium and chlorine, the major raw materials for the alkaline and acid industries.
Salt for agriculture, fishery and animal husbandry In agriculture, a suitable amount of salt can keep the soil humid to facilitate crops to absorb nutrients in soil effectively and to kill some pests. In animal husbandry and poultry rearing, salt can keep them healthy and promote their appetite.
Salt for medicine Saline can replenish water and salt content in the human body. Most importantly, salt is the source of chlorine and sodium. The former can help regulate the pH value of blood and water in the human body; the latter helps maintain the stability of internal organs, muscles and nerves, and control the secretion of blood-pressure-related hormones.
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