Ascorbate Oxidase (Microbial) Catalog # P2010007 Size 1000 U Unit Definition Oxidizes 1 µmol of ascorbate/min at 30 °C Molecular Weight 80 kDa Specific Activity 350 U/mg Purity Uricase, phosphatase < 0.001% Storage –20°C; avoid freeze/thaw cycles Supplied as Light blue lyophilized powder Keywords Ascorbate oxidase, L-ascorbic acid oxidase, ascorbic acid Ascorbate Oxidase is a copper-containing enzyme that catalyzes the oxidation of L-ascorbic acid (vitamin C) to dehydroascorbate. This microbial-derived preparation is supplied as a light blue lyophilized powder and exhibits a specific activity of 350 U/mg, with a molecular weight of approximately 80 kDa. It is ideal for use in antioxidant assays, biosensor development, and redox biology research. With a unit definition based on the oxidation of 1 µmol of ascorbate per minute at 30 °C, this enzyme is highly active and consistent across batches. Its purity (
