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9月1日星期日
molecules of lactic acid bacteria can lactose in milk
After the lactic acid fermentation, lactic acid bacteria can macromolecules lactose in milk , Ethyl lactate into small molecules of monosaccharides, thereby effectively easing the Chinese people because they can not break down lactose milk caused by the phenomenon does not absorb nutrients after . With Prince lactobacillus milk every drop of milk will not be wasted.
Lactic acid fermentation, protein decomposed into ferrous lactate , galactose and lactose into lactic acid, fats into fatty acids , calcium lactate becomes , thus greatly improving the phosphorus, iron, potassium , magnesium and other elements useful utilization.
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