Hydrochloric Acid
Secreted by the gastric glands of the stomach, gatric juice is a mixture of water, enzymes, and hydrocloric acid. The presence of hydrochloric acid in gastric juice causes the sensation of heartburn if it is refluxed into the esophagus.
The acidity of gatric juice (hydrochloric acid) prevents bacterial growth in the stomach, kills most bacteria that enter the body with food, and effects the partial breakdown of protein by activation protein-digesting enzymes. (Digestion of carbohydrates and fats occur primarily in the small intestine rather than in the stomach.)
The concentration of hydrochloric acid in gastric juice is approximately 5% by mass, creating an acidity effect about the same as that of lemon juice. Hydrochloric acid is known commercially as muriatic acid and can be purchased under this name in hardware stores.
[source: Chemical Principles by H. Stephen stoker]
The acidity of gatric juice (hydrochloric acid) prevents bacterial growth in the stomach, kills most bacteria that enter the body with food, and effects the partial breakdown of protein by activation protein-digesting enzymes. (Digestion of carbohydrates and fats occur primarily in the small intestine rather than in the stomach.)
The concentration of hydrochloric acid in gastric juice is approximately 5% by mass, creating an acidity effect about the same as that of lemon juice. Hydrochloric acid is known commercially as muriatic acid and can be purchased under this name in hardware stores.
[source: Chemical Principles by H. Stephen stoker]
posted by Ilangilang | 5:15 AM
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