At present, the most powerful products in the world are mainly complex probiotics composed of the above microorganisms, which are widely used in the fields of bioengineering, industry and agriculture, food safety, and life and health.

1. Probiotics can alleviate the symptoms of lactose intolerance and promote nutrient absorption: Probiotics can help digest nutrients in the intestine. It can decompose lactose into lactic acid and reduce lactose intolerance. Bifidobacterium and Lactobacillus can not only produce vitamins such as vitamin B1, vitamin B2, vitamin B6, vitamin B12, niacin, sodium hyaluronate, and folic acid for the body’s needs but also protect the supply of vitamins by inhibiting certain vitamin-decomposing bacteria. In addition, Bifidobacterium can also reduce blood ammonia and improve liver function.

2. Probiotics can rectify the intestine, adjust micro-ecological imbalance, and prevent and cure diarrhea: Probiotics live in the human intestine, promote the normalization of intestinal bacteria through its growth and various metabolic functions, inhibit the production of intestinal putrefaction, and maintain the normal function of the intestine. It has therapeutic and preventive effects on viral and bacterial acute enteritis, dysentery, constipation, etc. Probiotics are closely related to chronic gastritis, digestive tract ulcers, and other gastrointestinal diseases. Some probiotics can resist gastric acid, adhere to the surface of gastric epithelial cells, inhibit the growth of Helicobacter pylori through its metabolic activities, and prevent the occurrence of gastric ulcers.

3. Probiotics can produce bio-antagonistic metabolites and enhance human immunity: Probiotics can produce organic acids, free fatty acids, hydrogen peroxide, and bacteriocins to inhibit the growth of other harmful bacteria; use “biological oxygen capture” to make aerobic pathogenic bacteria significantly reduced, probiotics can colonize in the mucosa, skin, and other surfaces or cells. The formation of biological barriers between these barriers can prevent the colonization of pathogenic microorganisms, play a space-occupying, compete for nutrition, mutually beneficial symbiosis, or antagonism. It can also stimulate the non-specific immune function of the body, increase the activity of natural killer (NK) cells, enhance the secretion of intestinal immunoglobulin IgA, and improve intestinal barrier function.

4. Effect of probiotics on hypertension: Some substances produced by lactic acid bacteria, such as gamma-aminobutyric acid (GABA), have the effect of lowering blood pressure. Other probiotics specifically break down milk proteins to produce polypeptides (such as VPP and LPP) that inhibit the activity of enzymes that cause blood pressure to rise. Regular consumption of yogurt containing this active polypeptide has the effect of preventing hypertension.

5. Probiotics play a role in preventing vaginal infections: Many probiotics have the effect of acidifying the genitourinary tract. It can inhibit the growth of harmful bacteria by lowering the pH value. It can also curb them by competing with harmful bacteria for space and resources.

6. Probiotics can alleviate allergy: Allergy is an immune disease, which is the imbalance of immune function in the body. People with allergies develop allergic symptoms when exogenous substances or organisms stimulate the immune system to produce too much immunoglobulin (IgE), which releases a substance called histamine. Probiotics therapy is one of the effective methods of allergy therapy at home and abroad. Probiotics can be used to regulate immune globulin (IgE) antibodies in vivo to relieve allergy immunotherapy.

7. Probiotics can reduce serum cholesterol: It may be related to the regulation and utilization of endogenous metabolites and the acceleration of short-chain fatty acid metabolism. Bifidobacterium, Lactobacillus microbial ecological preparation, after taking cholesterol into the human body does not absorb the fecal sterol substances. This lowers cholesterol levels.

8. Probiotics can prevent cancer and inhibit tumor growth: Lactobacillus can increase the activity of macrophages and prevent tumor growth. Probiotics can inhibit the activities of some enzymes in the intestine, such as beta-glucoacetate, beta-glucuronidase, urea, enzymes, nitroreductase, azoreductase, and so on. These enzymes may be involved in carcinogenesis in the gut. Bile salts may cause the dissociation of harmful bacteria through the intestinal tract, causing carcinogenic substances and easily causing intestinal cancer. But probiotics can inhibit harmful bacteria, even if there is bile salt, the incidence of cancer is also greatly reduced.

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