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Product details
Zinc lactate can be used in the production of zinc-supplemented food, nutritional oral solution, children's zinc tablets and punch, is a good food zinc fortification, is widely used in pastries, beverages, a variety of nutritional solutions, flour, nutritional salt, dairy products, soy products, for infants and adolescents have an important role in the development of intelligence and physical development, and the effect of absorption is better than inorganic zinc.
Uses and functions of Zinc Lactate.
Zinc lactate can be used in the production of zinc-supplemented food, nutritional oral solution, children's zinc tablets and punch, is a good food zinc fortification, is widely used in pastries, beverages, a variety of nutritional solutions, flour, nutritional salt, dairy products, soy products, for infants and adolescents have an important role in the development of intelligence and physical development, and the effect of absorption is better than inorganic zinc.
Zinc lactate can also be used in tobacco products instead of glycerol as flavouring and antifreeze moisturising agent for tobacco; in cosmetics, it can also be used in cleansing milk, cosmetic cream, make-up water, shampoo and face mask.
Characteristic of Zinc Lactate.
Zinc lactate, chemical formula Zn(C3H5O3)2-3H2O, molecular weight 297.47, white rhombohedral crystals or powder (dextrorotatory), containing three molecules of crystalline water. Soluble in water, insoluble in ethanol and ether. Lose crystalline water when heated to 100°C. 1 portion of zinc lactate can be dissolved in 60 portions of cold water or 6 portions of hot water, the zinc content of this product is 22.2%.
Scope of use and dosage: 130-250mg/kg for dairy products; 113-318mg/kg for baby food; 40-80mg/kg for cereals and their products.It is produced by crystallisation of lactic acid and zinc hydroxide. It is mainly used for medicine, which is used as antiepileptic agent.
Product Method of Bulk Zinc Lactate Powder.
1. Complex decomposition method 13.0g of calcium lactate (pentahydrate) and 12.1g of zinc sulfate (heptahydrate) added to 100mL of water, stirring and heating reflux reaction. At the end of the reaction, while hot, filtration and washing with water to remove calcium sulfate precipitate (light blue white powder), the filtrate is a milky white translucent liquid, cooling and resting that is white crystals precipitated.
Finally filtered, washed with water and dried to obtain white powder (melting point 276-277 ℃) 8g, yield 64%. (C3H503)2Ca + ZnSO4 → (C3H5O3)2Zn + CaSO4 ↓
2. Neutralisation method in the finished lactic acid solution by adding zinc oxide powder heated and stirred to react for 2 ~ 3h, the reactants are cooled by cooling crystallisation, filtration and separation, and washed with water for several times, and then dried at 60 ~ 65 ° C to the finished product. This method is simple, better quality, but higher cost.2C3H6O3+ZnO→(C3H5O3)2Zn+H2O3.Lactic acid can also be produced by starch fermentation, and then reacted with zinc salt to get zinc lactate.
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