The scientific name for brine is salt brine, a mixture of magnesium chloride, magnesium sulfate, and sodium chloride.

The brine often contains ions such as K+, Na+, Ca2+, Mg2+, Cl-, SO42-, CO32-, HCO3-, B, Li, Br, I, Sr, Rb, Cs. Salt brine contains more than 70% divalent magnesium. Brine-pointed tofu is a process of colloidal polymerization and sinking, and no chemical reaction has taken place.

Making brine spices: anise 60 grams, 50 grams of cinnamon, 45 grams of dried herbs, 50 grams of peel, 200 grams of fresh ginger, 75 grams of lemongrass, mealybugs 1 pair, 10 grams of cloves, 30 grams of grasshopper, 35 grams of fennel, 25 grams of pepper, 30 grams of American ginseng, 15 grams of ginseng, yin and yang shellfish [available in Chinese herbal medicine stores] 25 grams of fruit of the Luo Han Guo 4, goji berries 20 grams of jujubes 50 grams of dried onions 100 grams, 30 grams of ginger.

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The substance brine can solidify proteins, so it is often used to make tofu in daily life. Brine mineralization is very strong water. Commonly used to extract certain chemical raw materials, such as salt, iodine, boron, bromine and so on. Zigong, Sichuan, China, has been known for its abundance of brine since ancient times.

Reference:Baidu Encyclopedia Brine