Functional characteristics of different bifidobacteria
Jun 25, 2025
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- Bifidobacterium longum: Studies have shown that it can degrade complex carbohydrates, produce short-chain fatty acids (such as butyrate), repair intestinal mucosal damage, and may relieve anxiety and depression symptoms.
- Bifidobacterium infantis: It is particularly important for breastfed infants. It promotes colonization by metabolizing human milk oligosaccharides (HMOs) and inhibits the proliferation of harmful bacteria such as Escherichia coli.
- Bifidobacterium breve: It accounts for a high proportion in the intestines of premature infants and can reduce the risk of necrotizing enterocolitis; in adults, it is associated with the relief of irritable bowel syndrome (IBS).
- Bifidobacterium bifidum: It can decompose glycoproteins and mucins, maintain the integrity of the intestinal mucus layer, and reduce the adhesion of pathogenic bacteria.
- Bifidobacterium animalis subspecies lactis: Because it is resistant to gastric acid and bile salts, it is often used as a probiotic additive to improve lactose intolerance and diarrhea.
