Pure lactic acid is a colorless liquid, is a colorless to pale yellow liquid. Odorless, hygroscopic. The relative density of 1.2060 (25/4 ℃). Melting point 18 ℃. Boiling point 122 ℃ (2kPa). Refractive index nD (20 ℃) ??1.4392. With water, ethanol, glycerin, insoluble in chloroform, carbon disulfide and petroleum ether. Heating under normal pressure, concentrated to 50%, part of the anhydride into milk, thus products often contain 10% -15% of the milk anhydride.
2013年8月15日星期四
Sodium lactate as a food flavoring agent
Sodium lactate as a food preservative, flavoring agent, antifreeze, moisturizing agent, has been replaced in the foreign part of sodium benzoate as a preservative used in the food industry. lactic acid powder with sodium benzoate, sodium citrate, sodium sorbate, there is not the same match advantage. Especially in meat products has the following significant effects: 1, to extend the shelf life: extended from 30 to 100%, or even longer; 2, inhibit pathogens in food, such as: HT Escherichia coli, Listeria magnessium lactate bacteria, bacteria such as Clostridium botulinum bud growth, thereby increasing food security; 3, enhance and maintain the flavor of the meat; 4, as a salt can not only reduce the amount of sodium chloride, and sodium lactate people on low-salt heart disease, high- patient blood pressure, kidney patients, more secure. For example, preparing a balanced fitness potassium and sodium salts.
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