Oxalate oxidase composition for assay of oxalate

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving oxidoreductase

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435 28, 435189, 435815, C12Q 126, C12Q 128, C12N 902

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active

044553714

ABSTRACT:
An oxalate oxidase can be extracted from the stems of beet by homogenizing the beet, filtering, centrifuging the filtrate, precipitating the oxalate oxidase containing fraction with acetone, dissolving the precipitate in taurodeoxycholic acid, dialyzing the solution and column chromatography. Unlike prior art oxalate oxidase compositions, the instant composition is relatively insensitive to sodium chloride and is well adapted to rapid and inexpensive oxalate assay in body fluids. The composition is inactive on almost all body fluid components other than oxalate, the only significant interfering component being ascorbate, and this ascorbate is readily removed by treatment with acid ferric chloride prior to the oxalate oxidase assay procedure, the ferric ion being thereafter removed by a cation exchange resin.

REFERENCES:
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Sugiura, et al., Chem. Pharm. Bull., 27(9), 2003-2007, (1979).
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Datta et al., Biochem. Biophys. Acta. 17, 602, (1955).
Yriberri et al., Clinical Chemistry, 26(7), 881-884, (1980).
Kobos et al., Analytica Chimica. Acta. 121, 111-118, (1980).
Gochman et al., Clinical Chemistry, 18(9), 943-950, (1972).

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