Abstract
Ascorbate oxidase fromCucurbita sp. was isolated by ammonium sulfate precipitation and DEAE-dextran-silochrome column chromatography. The thermal and pH stabilities of the purified enzyme were investigated. TheK M forl-ascorbic acid (1.5 mM) and chlorohydroquinone (0.37 mM) was determined. Substrate specificity of ascorbate oxidase was investigated and compared with those of laccases fromCoriolus hirsutus andCerrena maxima. Ascorbate oxidase was covalently bound to a polymeric membrane and used in an enzyme electrode for ascorbic acid.
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Sereikaité, J., Iljasevičiené, D., Dienys, G. et al. Ascorbate oxidase. Appl Biochem Biotechnol 43, 153–160 (1993). https://doi.org/10.1007/BF02916440
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DOI: https://doi.org/10.1007/BF02916440