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What value is gut microbiotica to human existence?
- There are estimated to be 200 to 300 colonic species of bacteria in the gut, each with a unique function.
Commensal Effects of Gut Microbiotica on Humans
| Action | Effect |
|---|---|
| Carbohydrate fermentation | Reduction of intraluminal colonic pH |
| Protein fermentation | Production of NH 4 and sympathetic amines |
| Synthesis of short-chain free fatty acids | Main source of energy and nutrition for colon |
| Synthesis of vitamins K, B 1 , B6 1 , and B 12 , folic acid, and pantothenic acid | Essential components for biologic processes |
| Deconjugation of bile salts, bilirubin, drugs, and steroid hormones | Biotransformation and absorption |
| Fat malabsorption | Regulation of plasma levels of cholesterol and triglycerides |
