pepsin

IPA/ˈpepsɪn/
IPA/ˈpepsɪn/

pepsin — 名詞

1. a natural chemical made in your stomach that cuts the proteins you eat into shor

1.名詞C1
釋義

胃蛋白酶

胃中分解蛋白質的消化酵素

a natural chemical made in your stomach that cuts the proteins you eat into shorter chains, helping your body break down food

例句

Naoko learned that pepsin works best in the acidic environment of the stomach.

Naoko 學到胃蛋白酶在胃的酸性環境中運作效果最好。

pepsin + works best + acidic environment

The doctor explained how pepsin breaks down egg protein into smaller pieces.

醫生解釋胃蛋白酶如何將雞蛋蛋白質分解成較小的片段。

pepsin breaks down [specific food protein]

同義詞
  • protease

    a broader category; pepsin is one specific type of protease that works in the stomach

  • gastric enzyme

    a more general term for any enzyme produced in the stomach

用法筆記

Pepsin is usually treated as an uncountable noun in general use (e.g., 'Pepsin helps digest protein'). In technical writing it may appear as a countable noun when referring to different types.

常見錯誤

Pepsin is made by the liver.
Pepsin is made by the stomach.
💡Pepsin is produced by glands in the stomach lining, not the liver.
Take this medicine for your pepsin ulcer.
Take this medicine for your peptic ulcer.
💡'Peptic' (related to digestion), not 'pepsin,' is the adjective used in medical terms.