gastric mucus

What Substances Are Found In Gastric Juice? Gastric juice is a unique combination of hydrochloric acid (HCl), lipase, and pepsin. Acidic gastric juice is found in all vertebrates, and its main function is to inactivate microorganisms. Is mucus found in gastric juice? Gastric juice is a variable mixture of water, hydrochloric acid, electrolytes (sodium, potassium,