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26日星期一
Often drink yogurt can significantly reduce cholesterol
Yogurt Calcium lactate hydroxy-3-methyl glutaric acid and lactic acid. Often drink yogurt can significantly reduce cholesterol, cardiovascular disease, which can prevent the elderly.
One reason is that human aging changes in the intestinal flora, and yogurt by inhibiting the growth of saprophytic bacteria in the gut, inhibiting corruption occurring toxins, the liver and brain damage from these toxins and prevent aging. Yogurt contains lactic acid bacteria potassium lactate some substances to enhance immune function, can improve the body immunity, prevent disease. So serious illness in persons more yogurt, restore the body can not be substituted with other foods role.
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