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21日星期三
Milk protein and calcium in the preparation of aluminum lactate
Milk protein and calcium in the preparation of aluminum lactate, calcium gluconate, or the like clot, increase gastrointestinal burden. Pharmaceutical preparations containing iron and calcium in milk prone to competition, so that iron absorption component decreases. Zinc lactate deficiency anemia in children and pregnant women, both drinking milk and taking iron, often poor efficacy.
Milk will exacerbate the toxicity of certain drugs, such as taking digitalis, digoxin and other cardiac drugs drinking milk at the same time, easy to produce toxicity; severe hypertensive patients with pargyline, buffered lactic acid milk and other antihypertensive drugs or eating dairy products, may cause high blood pressure. In addition, the milk should not be with tetracyclines, levodopa, androgen, antacids, antidepressants, a lot of vitamin C, while taking drugs. Medication and drinking milk interval of at least 2 hours.
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