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  2. Digestive enzyme - Wikipedia

    en.wikipedia.org/wiki/Digestive_enzyme

    The enzymes that are secreted in the stomach are gastric enzymes. The stomach plays a major role in digestion, both in a mechanical sense by mixing and crushing the food, and also in an enzymatic sense, by digesting it. The following are enzymes produced by the stomach and their respective function: Pepsin is the main

  3. Pepsin - Wikipedia

    en.wikipedia.org/wiki/Pepsin

    [11] [12] Accordingly, its primary site of synthesis and activity is in the stomach (pH 1.5 to 2). In humans the concentration of pepsin in the stomach reaches 0.5 – 1 mg/mL. [13] [14] Pepsin is inactive at pH 6.5 and above, however pepsin is not fully denatured or irreversibly inactivated until pH 8.0.

  4. Do digestive enzyme supplements really work? Experts weigh in

    www.aol.com/digestive-enzymes-really-experts...

    The enzymes lactase and sucrase, made in the small intestine, break down dairy sugar and sugar, respectively. Pepsin, made in the stomach, is the main enzyme involved in the digestion of protein.

  5. Gastrointestinal physiology - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_physiology

    Mucus is released in the stomach and intestine, and serves to lubricate and protect the inner mucosa of the tract. It is composed of a specific family of glycoproteins termed mucins and is generally very viscous. Mucus is made by two types of specialized cells termed mucous cells in the stomach and goblet cells in the intestines. Signals for ...

  6. Human digestive system - Wikipedia

    en.wikipedia.org/wiki/Human_digestive_system

    A peptide hormone, gastrin, produced by G cells in the gastric glands, stimulates the production of gastric juice which activates the digestive enzymes. Pepsinogen is a precursor enzyme produced by the gastric chief cells, and gastric acid activates this to the enzyme pepsin which begins the digestion of proteins. As these two chemicals would ...

  7. Rennet - Wikipedia

    en.wikipedia.org/wiki/Rennet

    Rennet (/ ˈ r ɛ n ɪ t /) is a complex set of enzymes produced in the stomachs of ruminant mammals. Chymosin, its key component, is a protease enzyme that curdles the casein in milk. In addition to chymosin, rennet contains other enzymes, such as pepsin and a lipase.

  8. Hydrogen potassium ATPase - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_potassium_ATPase

    The gastric hydrogen potassium ATPase or H + /K + ATPase is the proton pump of the stomach.It exchanges potassium from the intestinal lumen with cytoplasmic hydronium [2] and is the enzyme primarily responsible for the acidification of the stomach contents and the activation of the digestive enzyme pepsin [3] (see gastric acid).

  9. Progastricsin - Wikipedia

    en.wikipedia.org/wiki/Progastricsin

    The encoded protein is a digestive enzyme that is produced in the stomach and constitutes a major component of the gastric mucosa. This protein is also secreted into the serum. This protein is synthesized as an inactive zymogen that includes a highly basic prosegment.