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18日星期日
Lactic acid bacteria can produce some substances to enhance immune function
1, maintain the ecological balance of intestinal flora, forming a biological barrier, inhibiting the invasion of harmful bacteria in the gut.
2, by generating a large number of short-chain fatty acids promote intestinal motility and bacterial massive growth and lactic acid powder pressure to prevent constipation.
3, yogurt contains a variety of enzymes, promote digestion and absorption.
4, by inhibiting the growth of saprophytic bacteria in the intestine, inhibits corruption occurring toxins, the liver and brain damage from these toxins and prevent aging.
5, by inhibiting the saprophytic bacteria and the growth of certain bacteria in the intestine. Thus inhibiting these bacteria produced carcinogen, to anti-cancer purposes.
6, improve immune function, Zinc lactate bacteria can produce some substances to enhance immune function, can improve the body immunity, prevent disease.
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