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22日星期四
lactic acid bacteria beverage quality
Various strains of lactic acid bacteria beverage quality is the decision to compete in the "core weapon", but not everyone has a strain. Especially the traditional dairy giant, because optimistic about the market development of lactic acid bacteria, most direct way to buy foreign commercial strains, so they
developed in depth, functional potassium lactate, and energy aspects of the power input is limited.Independently developed strains is a need long-term huge
investment difficult process to the lactic acid bacteria beverage manufacturing famous Yakult (Yakult) companies, for example, as early as in 1930 by its founder Shirota Minoru M.D. to successfully lactic acid bacteria were enhanced culture
experiments, and this lactic acid bacteria named "Zinc lactate casei Shirota strain", and later was known as the "Yakult? lactic acid bacteria." 70 years Yakult ongoing trials of such strains, demonstration, to explore, to ensure their safe and harmless case, how to more effectively improve the human gut
health area relentless research. Not long ago, "Lactobacillus casei Shirota strain" also by the U.S. Food and Drug Administration (FDA) GRAS for food safety certification, the strains of the scientific and safety has been widely recognized by the industry, is considered the world lactobacillus research
leader.
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