Sodium lactate is a chemical substance with the molecular formula C3H5O3Na. A colorless or almost colorless transparent liquid with a molecular weight of 112.06, which can dissolve with water, ethanol, and glycerol. It can be used for food preservation, moisture preservation, fragrance enhancement and pharmaceutical raw materials, as well as medicine to relieve acidosis of students due to diarrhea, dehydration, diabetes, nephritis and other diseases. It is also used as a seasoning, plasticizer for casein plastics, antifreeze, moisturizing agent, substitute for glycerol, and anti-corrosion agent for alcohol antifreeze.
Food sector
(1) It can be used as an emulsifier, humectant, flavor improver, quality improver, antioxidant synergist, and pH regulator in the meat and poultry food processing industry. It can enhance flavor, inhibit the growth of pathogenic bacteria in food, and extend the shelf life of products;
(2) As a food preservative, flavoring agent, antifreeze, moisturizing agent, sodium lactate has partially replaced sodium benzoate as a preservative in the food industry in foreign countries. Sodium lactate has incomparable advantages over sodium benzoate, sodium citrate, and sodium sorbate. Especially in meat products, it has the following significant effects: 1. Extending shelf life: can be extended by 30% to 100%, or even longer; 2. Inhibit the growth of pathogenic bacteria such as HT Escherichia coli, Listeria monocytogenes, Clostridium botulinum, etc. in food, thereby increasing food safety; 3. Enhance and maintain the flavor of meat; 4. As a salt, it can not only reduce the amount of sodium chloride used, but also make sodium lactate more safe for low-salt heart patients, hypertension patients, and kidney patients.
Medical field
(1) Liquid can relieve dehydration caused by diarrhea and poisoning caused by diabetes and gastritis. Sodium lactate is used to replenish body fluids or electrolytes in parenteral/solution solutions, and is widely used in continuous removable peritoneal dialysis (CAPD) for patients with kidney disease and as a dialysis fluid for ordinary artificial kidneys;
(2) Sodium lactate is used as an electrolyte and dialysate in intravenous injections, as well as an intestinal disinfectant, mouthwash, and bladder injection agent;
(3) Sodium lactate is also widely used in the preparation of Ringer's solution and as an injection for the treatment of metabolic acidosis;
(4) Sodium lactate can be very effective in treating skin dysfunction. For example, symptoms of extreme dryness caused by xerosis. Lactic acid and lactate have antimicrobial properties and are used in anti acne products. They are often used in combination with many other active ingredients to produce synergistic effects.
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