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pepsin    
n. 胃液素,酸蛋白酶

胃液素,酸蛋白□

pepsin
n 1: an enzyme produced in the stomach that splits proteins into
peptones

Pepsin \Pep"sin\ (p[e^]p"s[i^]n), n. [Gr. pe`psis a cooking,
digesting, digestion, fr. pe`ptein, pe`ssein, to cook,
digest: cf. F. pepsine. Cf. {Dyspepsia}.] (Physiol. Chem.)
A proteolytic enzyme (MW 34,500) contained in the secretory
glands of the stomach. In the gastric juice it is united with
dilute hydrochloric acid (0.2 per cent, approximately) and
the two together constitute the active portion of the
digestive fluid. It degrades proteins to proteoses and
peptides, and is notable for having a very low pH optimum for
its activity. It is the active agent in the gastric juice of
all animals.
[1913 Webster PJC]

Note: As prepared from the glandular layer of pigs' or
calves' stomachs it constitutes an important article of
pharmacy.
[1913 Webster]


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  • Pepsin - Wikipedia
    Pepsin ˈpɛpsɪn is an endopeptidase that breaks down proteins into smaller peptides and amino acids It is one of the main digestive enzymes in the digestive systems of humans and many other animals, where it helps digest the proteins in food Pepsin is an aspartic protease, using a catalytic aspartate in its active site [2] It is one of three principal endopeptidases (enzymes cutting
  • Rethinking Reflux: The Real Culprit Isn’t Acid—It’s Pepsin
    Conclusion Reflux isn’t just about acid—it’s about pepsin By shifting our focus from acid suppression to pepsin control, we can revolutionize reflux treatment and provide lasting relief for millions Adjusting dietary and lifestyle choices is the first step toward healing
  • Pepsin | Description, Production, Function | Britannica
    Pepsin is a powerful enzyme in gastric juice that digests proteins such as those in meat, seeds, and dairy products It is the mature active form of pepsinogen, which is released into the stomach and mixed with hydrochloric acid to produce pepsin
  • Pepsin: Signs You Need This Vital Enzyme and How to Get It - Dr. Axe
    This digestive enzyme breaks down proteins into smaller units It also helps with nutrient absorption, leaky gut and more
  • What Is the Function of Pepsin and Why Is It Important?
    What Pepsin Is Pepsin is a digestive enzyme found within the stomach It is one of the primary enzymes responsible for breaking down proteins in the human digestive system This enzyme originates as an inactive precursor called pepsinogen Pepsinogen is secreted by specialized cells in the stomach lining known as gastric chief cells
  • How to Neutralise Pepsin in the Throat: Every Method That Works
    Pepsin in the throat is the real cause of most LPR symptoms — not acid Here's exactly how to deactivate it, stop it being reactivated, and prevent more from reaching the throat in the first place
  • How to Get Rid of Pepsin Cure Your Acid Reflux
    It’s pepsin (not acid) that wreaks the havoc from acid reflux; it causes inflammation and reflux-related disease For more about pepsin, read my previous pepsin post Pepsin, the first enzyme to start the digestion process, belongs in the stomach where it does not cause problems; so you don’t have to get rid of it there
  • Pepsin digestive enzyme benefits, uses, dosage, and safety guide
    Learn how pepsin supports protein digestion, when it helps, how to use it safely, and who should avoid it—especially with reflux or stomach issues
  • What Does Pepsin Do? Digestion and Acid Reflux - ScienceInsights
    Pepsin breaks down protein in your stomach, but it can also damage your throat during acid reflux Here’s how it works and what that means for treatment





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