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词汇 rennin
释义

Definition of rennin in English:

rennin

noun ˈrɛnɪnˈrɛnən
mass noun
  • An enzyme secreted into the stomach of unweaned mammals causing the curdling of milk.

    凝乳酶

    Example sentencesExamples
    • Animal rennet contains the digestive enzyme rennin, which curdles milk in the normal process of digestion.
    • A report on the effect of spices on digestive enzymes mentioned that freshly prepared 1 per cent emulsion of asafoetida in water affected the activity of pepsin, trypsin and rennin in saliva to a small extent 41.
    • The heat and the continued enzymatic action of rennin cause the protein to fuse into stringlike filaments, making the curd denser.
    • In 1990, the FDA approved the first bioengineered enzyme, rennin, which traditionally has been extracted from calves' stomachs for use in making cheese.

Origin

Late 19th century: from rennet + -in1.

Definition of rennin in US English:

rennin

nounˈrenənˈrɛnən
  • An enzyme secreted into the stomach of unweaned mammals, and in some lower animals and plants, causing the curdling of milk.

    凝乳酶

    Example sentencesExamples
    • A report on the effect of spices on digestive enzymes mentioned that freshly prepared 1 per cent emulsion of asafoetida in water affected the activity of pepsin, trypsin and rennin in saliva to a small extent 41.
    • Animal rennet contains the digestive enzyme rennin, which curdles milk in the normal process of digestion.
    • In 1990, the FDA approved the first bioengineered enzyme, rennin, which traditionally has been extracted from calves' stomachs for use in making cheese.
    • The heat and the continued enzymatic action of rennin cause the protein to fuse into stringlike filaments, making the curd denser.

Origin

Late 19th century: from rennet + -in.

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