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20日星期二
should be more calcium osteoporosis
Compared to men, women seem more likely to suffer from osteoporosis, so women in daily life should be more calcium in order to prevent osteoporosis. Zinc lactate o calcium can be prevented, the experts pointed out that in their daily lives more yogurt also able to achieve the purpose of the prevention of osteoporosis.
Once osteoporosis, potassium lactate is very high, so a female friend in peacetime must pay more attention to bone health.
Yogurt contains a large number of rich in calcium and vitamin d, these two substances can help us a good prevention of osteoporosis generation.
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