What is the Biological Function of Lactase Powder?

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Biological functions

Lactase widely exists in animals, plants and microorganisms, and can be divided into extracellular and intracellular enzymes according to different sources. The main function of lactase is to break down too much lactose in the body into glucose and galactose. Glucose is the energy source for the metabolism of various parts of the human body, and galactose is a structural sugar necessary for the metabolism of the human brain and mucosal tissues. It is also a necessary tissue for infant brain development and is closely related to the rapid growth of the infant brain. In addition, lactase can also generate oligosaccharides in the human body through the action of transglycosides. These oligosaccharides are a low molecular weight, non-viscous water-soluble dietary fiber. It is only a bifidobacterium in the intestine as a proliferation factor. It will not be used by spoilage bacteria, so it can greatly reduce the production of harmful toxins in the intestine, and it has an important role in preventing constipation and diarrhea.

Among the lactase components, the lactose phlorizin hydrolase (LPH) is the one that actually hydrolyzes lactose. LPH is a glycoprotein on the microvilli of intestinal epithelial cells, with an optimal pH of 5.5 to 6.0, and has two enzyme activities: lactase (β-D-galactoside galactosylase β-D-galactoside galactohydrolase) And phlorizin hydrolase (glycosyl-N-ceramide-glucose hydrolase).

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Catalytic decomposition of lactose

Lactase is mainly used in the dairy industry in industry. It uses its hydrolysis to decompose lactose in dairy products to produce low-lactose or lactose-free dairy products for the consumption of a large number of people who are lactose intolerant. In addition, acid lactase can be made into a medical lactase preparation, or added to milk powder to make a special-purpose milk powder, which is clinically used for the treatment of symptomatic lactose intolerance, especially infants and young children who use dairy products as the main source of nutrition. Lactase preparation is the most ideal choice for infants and young children with lactose intolerance.

Transfer of galactosides from lactase

Galactose produces galactose oligosaccharide under the action of the transglycoside of lactase. Using this technology, galactose oligosaccharide can be produced. Currently, galactose oligosaccharide has been put on the market. Galactooligosaccharides cannot be absorbed by the human body, but can be used by probiotic bacteria such as bifidobacteria in the intestine to promote the proliferation of probiotics. They are very good prebiotics, also known as bifidobacteria. Galactooligosaccharides are The only prebiotic source of breast milk.

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