Edible magnesium chloride, also known as hydrochlorite, is mostly used as food additives, such as coagulant, thickening agent, and so on. 1. Coagulant: edible magnesium chloride is one of the main components of brine, can make protein coagulation, used as coagulant for tofu. The addition of magnesium chloride in the production process of tofu can make the tofu elastic and delicate taste. 2. Thickener: edible magnesium chloride can be dissolved in water, under certain conditions can be fully hydrated to form viscous macromolecules, can be used as a thickening agent for fruit juice drinks. In addition, edible magnesium chloride can make the food in the freezing process of uniform structure, delicate taste, the production of ice cream when adding the appropriate amount of magnesium chloride can prevent it from forming too large ice crystals, rough taste with slag. Edible magnesium chloride has great application prospects in the food industry, can also be used as a bulking agent, water remover, tissue improver, etc., a small amount of consumption is harmless to the organism.