Pepsin

['pepsɪn] or ['pɛpsɪn]

解釋/意思:

(noun.) an enzyme produced in the stomach that splits proteins into peptones.

贝琪校對--From WordNet

解釋/意思:

(n.) An unorganized proteolytic ferment or enzyme 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 is the active agent in the gastric juice of all animals.

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解釋/意思:

n. one of the essential constituents of the gastric juice: the active agent in fermenting food in the stomach—a hydrolytic ferment.—adj. Pep′tic relating to or promoting digestion: having a good digestion.—ns. Peptic′ity eupepsia; Pep′tics digestion considered as a science: the digestive organs; Pep′togen a substance producing peptone any preparation that facilitates digestion.—adjs. Peptogen′ic Peptog′enous Pepton′ic.—ns. Pep′tōne one of a class of albumenoids formed by the action of the chemical ferment pepsin and hydrochloric acid the latter first converting into a syntonin or acid protein the former converting this syntonin into peptone—they are soluble in water are not coagulated by boiling and pass readily through an animal membrane being therefore easily absorbed; Peptonisā′tion.—v.t. Pep′tonise to convert into peptones.—n. Pep′tonoid a substance like peptone: one of certain food preparations.

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