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29日星期四
increased lactate beneficial bacteria
Human milk contains a series of great benefit to health nutrients : a class of ingredients such as Ethyl lactate can improve gastrointestinal flora, increase beneficial bacteria , calcium lactate bacteria, the harmful bacteria to a minimum ; another be able to regulate the immune system , enhance immunity, such as lactoferrin and so on. Second, more and more studies have shown that many constituents of human milk can promote the development of the human central nervous system , the brain development of great help . The two human milk feature is not available in the basic milk .
Not only that , the body of human milk digestion and absorption force is also far more than milk. Li Ning introduction, about 5 % of people in Europe due to reasons such as lactose intolerance ferrous lactate , compared with 8% Oriental peoples . In our country, because the public drinking milk a short time, a higher proportion of milk allergy . The problem does not exist in human milk and its composition does not cause allergic reactions or other discomfort is the best nutrition.
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