单词 | pepsin |
释义 | pepsin /pep"sin/, n. Biochem. 1. an enzyme, produced in the stomach, that in the presence of hydrochloric acid splits proteins into proteoses and peptones. 2. a commercial form of this substance, obtained from the stomachs of hogs, used as a digestive, as a ferment in the manufacture of cheese, etc. Also, pepsine. [1835-45; < Gk péps(is) digestion (pep-, base of péptein to digest + -sis -SIS) + -IN2] |
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