Method of stabilizing oxidation color former

Details Method of stabilizing oxidation color former Method of stabilizing oxidation color former

2002-10-09

2009-02-03

Weber, Jon P (Department: 1657)

Chemistry: molecular biology and microbiology

Measuring or testing process involving enzymes or...

Involving oxidoreductase

Reexamination Certificate

active

07485436

ABSTRACT:
A method of stabilizing an oxidation color former in a solution is provided. N-(carboxymethylaminocarbonyl)-4,4′-bis(dimethylamino) diphenylamine sodium salt as an oxidation color former is stabilized by providing it with at least one of a fructosyl amino acid oxidase (FAOD) and a peroxidase (POD) in the solution. The concentration of the FAOD is in the range from 0.01 to 1.0 g/l or 1 to 100 KU/l, and the concentration of the POD is in the range from 0.01 to 1.0 g/l or 1 to 100 KU/l.

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The Merck Index, 12thedition, p. 8726.

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