| 摘要 |
PROBLEM TO BE SOLVED: To avoid effects of hemoglobin in a specimen such as a blood serum and accurately measure the enzymic activities such asγ-glutamyltransferase (γ-GTP) by mixing a reagent for measuring the enzymic activities containing a sulfoxy inorganic salt-based reducing agent with the specimen and then measuring a change in absorbance of the mixture. SOLUTION: A disulfite, a hydrogensulfite, a sulfite or a dithionite, etc., as a sulfoxy inorganic salt type reducing agent is added to a reagent for measuring the enzymic activities to carry out the measurement in the method for measuring the activities of a specific enzyme in a specimen comprising mixing a reagent for measuring the enzymic activities such as aγ-glutamyltransferase (γ-GTP) represented by the formula (R is H or COOH), etc., with the specimen such as a blood serum and then measuring a change in absorbance of the resultant mixture in a wavelength region of 400-450nm. Thereby, effects of hemoglobin in the specimen are avoided to suppress a produced error in measured values and more accurately measure the objective enzymic activities.
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