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7月25日星期四
active and non-active lactic acid bacteria Lactobacillus
Only through the human digestive Lactobacillus, alive excreted will be effective. Activity of lactic acid powder bacteria in the human body through the proliferation and inhibit harmful pathogens and spoilage bacteria, which produce lactic acid metabolism and effective metabolite (antimicrobial substances, vitamins, etc.), and lactic acid bacteria itself also has to promote the role of immunity. Instead of lactic acid bacteria have only enhance immunity. You drink and music and more snow is a good Calcium lactate bacteria products, and now the new upgrade, drink Lotto added xylitol, taste better, but also can protect the teeth. Big Snow added collagen, can beauty, enhance immunity, especially 150000000000 lactic acid bacteria, can make the intestines more smooth, blueberry You snow recently listed, unique taste. Blueberries are rich in anthocyanins, can strengthen eyesight, prevent eye fatigue.
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