As for the old bittern, from the chemical composition analysis, bittern contains magnesium chloride, which is one of the minerals needed by human body. Proper intake is beneficial to the body, but if it is ingested in large quantities, it will cause poisoning. Old bittern used in some old shops will constantly add new water, new ingredients and condiments every time.
Therefore, every time it is equivalent to drinking a part of a glass of water, and then adding that part of water, harmful substances such as nitrite and heavy metals in the old brine will be continuously diluted in this process, and the old brine will be boiled and heated every day. Bacteria, viruses and other microorganisms are difficult to survive, so old brine will not harm human health.
Extended data:
Thousands of salt water can make up the deficiency and strengthen the body.
Thousands of pieces of brine are fragrant, fine, tough, palatable and nutritious. It is a simple and practical health dish. Thousands of pieces, also called bean skin, are made of soybeans. Traditional Chinese medicine believes that soybean has the effects of invigorating qi, tonifying deficiency, invigorating spleen, moistening dryness and promoting diuresis, and clearing away heat and toxic materials.
Soybean is called "plant meat" and is rich in protein. After a series of processing, its protein has been completely denatured and easy to digest. At the same time, harmful flatulence components and protease inhibitors are removed, which greatly improves the absorption and utilization rate of protein.
Bean skin is also rich in mineral elements such as calcium, iron and zinc, which can supplement iron to nourish blood, calcium to strengthen bones and zinc to strengthen the body, and has a good effect on preventing anemia, weakness, osteoporosis and functional decline in the elderly. In addition, soybean skin also contains plant active ingredients such as lecithin and isoflavones, which have the functions of lowering blood fat, protecting blood vessels and inhibiting cancer.
People's Daily Online-Nutritional Meal for the Elderly: Thousands of Salts for Tonifying Deficiency and Strengthening the Body
People's Daily Online-Will there be toxic substances when brine is cooked for a long time?