physiological action of gastric acid

Gastric acid can activate pepsinogen

, thereby converting pepsinogen into active pepsin, providing a relatively suitable acidic environment for it.

2

. To help food digest

Gastric acid can decompose food, denature protein components contained in food, and facilitate digestion and absorption.

3. To kill microorganisms in food

More or less microorganisms will exist in food, and gastric acid as the first barrier of the human digestive system can disinfect and sterilize microorganisms in food in large quantities, making it difficult for them to survive in the stomach.