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11日星期日
Do not blindly obsessed with calcium
We rely on calcium tablets calcium effect is not advertised as having a big role. According to the U.S.
Sodium lactate published a study on calcium supplements, vitamin D and fracture risk research reports, statements.
Results indicate that calcium supplementation on women over the age of 60 is more significant, calcium reduced the incidence of hip fracture group.
Less 21%. Suggest the best method is still potassium lactate, absorption rate in the food is the best milk. Followed by soy products, and some other vegetables.
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