Kluy Veromyces lactic acid production of Lactose Enzyme. The Lactose hydrolysis enzyme is the main purpose of Lactose and half of Lactose, Lactose enzymes. The best pH value: escherichia coli (EC public education college) from 7.0 to 7.5; From 6.0 to 7.0 yeast; Mould about 5.0. 37 ℃ ~ 50 the temperature of the best effect. In normal use concentration, 72 hours of about 74% lactose hydrolysis.
Note
Lactose hydrolysis of β-galactosidase enzyme bond. EC3.2.1.23. Because lactose is generally also be specific in vitro is not strong β-galactosidase break down, so lactase is also known as β-galactosidase to use a synonym. In the human intestinal mucosa (1) Subject to the general optimum pH4.5 of β-galactosidase, the (2) there is a role in galactose-containing enzyme complex oligosaccharides, and (3) acting on the lactose enzyme. The third enzyme digestion in infants is important, if Nang to the lactose content of milk and other than the activity of this enzyme is caused by indigestion. Particularly in Africa and other tropical regions of decreased lactase activity after weaning many examples, such symptoms are obvious. There are a lack of known genetic lactase people. If you give such a person to excess lactose, the undigested lactose into the circulatory system, it will cause cataracts and other symptoms. Milk is closest to the perfect nutritional food, the main carbohydrate in milk is lactose, under normal circumstances, the lactose in the human body should be the role of lactase, the hydrolysis of the absorption of glucose and galactose and into the bloodstream. But many people, because the body lacks the enzyme, often after drinking milk will cause the phenomenon of lactose indigestion, abdominal distention occurs, bowel, acute abdominal pain or diarrhea, which we call lactose intolerance.
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