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30日星期五
Ferrous lactate is a good food iron enhancer
Ferrous lactate is a good food enhancer of iron absorption effect is better than inorganic iron. Zinc lactate for bonbons, usage is 600 ~ 1200mg/kg (iron, the same below); also be used for dairy products and infant food, usage is 60 ~ 100mg/kg; also be used for grains and their products , using an amount of 24 ~ 48mg/kg; also for beverages, with an amount of 10 ~ 20mg/kg.
ferrous lactate food and feed additives, is the treatment of anemia drugs. Adult daily requirement of 16mg, buffered lactic acid. As an enhancer of iron, the United States provides an amount of flour 3mg/100g, Bread dosage 2mg/100g, powdered milk for 6mg/100g. Photolabile iron compounds, iron ions react with the colored antioxidant when in use should be noted.
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