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
Class bacteria fermented milk
Commercially available products containing lactic acid bacteria, generally refers to fermented milk beneficial fungi, which is mainly used in the composition of milk and sugar, after the lactic acid fermentation process made. Sodium lactate products can help to emphasize and maintain the balance of beneficial bacteria in the human body to achieve health.
Lactic acid fermentation of lactose in milk can be broken down to only 20-30% original content of drinking milk will cause diarrhea so people can use this type of Lactic acid drinks instead of milk, but absorption into the same nutrients.
Further, since the lactic acid bacteria in milk like casein and become more digestible fat, also helps calcium in milk and lactic acid combined more easily absorbed by the intestinal environment showing a result of the influence of lactic acid, for the entire digestion and stomach intestine have helped.
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