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Biokemistri
Nigerian Society for Experimental Biology
ISSN: 0795-8080
Vol. 17, No. 1, 2005, pp. 1-6
Bioline Code: bk05001
Full paper language: English
Document type: Research Article
Document available free of charge

Biokemistri, Vol. 17, No. 1, 2005, pp. 1-6

 en Comparism Of Xanthine Oxidase Activities In Cow And Goat Milks
Egwim, Evans C.; Vunchi, Mohammed A. & Egwim, Patience O.

Abstract

The activities of xanthine oxidase were studied in cow and goat milks. The optimum temperature and pH values were 10 °C and 7.5; and 20 °C and 7.2 - 7.4 for cow and goat milk samples respectively. The substrate effect on xanthine oxidase from both milk samples followed the popular Michealis Menten's (Km) equation. The Km and V max were 0.86 x 10-2 M and 3.7 Msec-1 and 4.36 x 10-2 M and 2.0 Msec-1. The work concludes that xanthine oxidase from cow and goat milk differs both in their basic characteristics and in the kinetic activities.

Keywords
xanthine oxidase, milk, kinetic parameters

 
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