Why should there be an acidic environment in the stomach?

The acidic environment in the stomach is due to the presence of acid (hydrochloric) in the gastric juice. Under the action of hydrochloric acid, the enzyme pepsin is formed from its precursor, pepsinogen. Pepsin is an essential enzyme found in stomach juice. He is involved in the digestion of proteins. In addition, hydrochloric acid has antibacterial properties and kills microorganisms that enter the stomach from the outside.



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