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词汇 zymase
释义

Definition of zymase in English:

zymase

noun ˈzʌɪmeɪz
mass nounBiochemistry
  • A mixture of enzymes obtained from yeast which catalyse the breakdown of sugars in alcoholic fermentation.

    〔生化〕酿酶,酒化酶

    Example sentencesExamples
    • Harden explained this by saying that a high-molecular enzyme, the zymase proper, was left on the filter, which let through a low-molecular complementary enzyme, which for the sake of brevity was called co-enzyme or co-zymase.
    • The reaction is then carried out in presence of yeast, which contain two enzymes maltose and zymase.
    • It was soon realized that the conversion of sugar into alcohol by means of yeast juice is a series of stepwise reactions, and that zymase is really a mixture of several enzymes.
    • Even now the question remains open whether zymase can be added directly to the established list of enzymes.
    • When alcohol is produced for human consumption, zymase - provided by yeast - is used as the catalyst.

Origin

Late 19th century: from French, from Greek zumē 'leaven'.

Definition of zymase in US English:

zymase

noun
Biochemistry
  • A mixture of enzymes obtained from yeast which catalyze the breakdown of sugars in alcoholic fermentation.

    〔生化〕酿酶,酒化酶

    Example sentencesExamples
    • Harden explained this by saying that a high-molecular enzyme, the zymase proper, was left on the filter, which let through a low-molecular complementary enzyme, which for the sake of brevity was called co-enzyme or co-zymase.
    • The reaction is then carried out in presence of yeast, which contain two enzymes maltose and zymase.
    • When alcohol is produced for human consumption, zymase - provided by yeast - is used as the catalyst.
    • It was soon realized that the conversion of sugar into alcohol by means of yeast juice is a series of stepwise reactions, and that zymase is really a mixture of several enzymes.
    • Even now the question remains open whether zymase can be added directly to the established list of enzymes.

Origin

Late 19th century: from French, from Greek zumē ‘leaven’.

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