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- Xanthione Oxidase 5u Xanthione Oxidase 5u


Xanthione Oxidase 5u
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General Information
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Product Name: Xanthine Oxidase (XO)
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Enzyme Type: Oxidoreductase (EC 1.17.3.2)
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Source: Bovine milk / Recombinant microbial expression
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Activity: 5U (varies by manufacturer)
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Form: Lyophilized powder or liquid
Composition
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Active Component: Xanthine Oxidase enzyme
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Stabilizers: BSA, glycerol, or trehalose (if applicable)
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Buffer Components: Phosphate or Tris buffer, pH 7.4 (if pre-formulated)
Physical Characteristics
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Appearance: White to light yellow powder or clear to pale yellow liquid (if in solution)
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Solubility: Soluble in water or buffer solutions
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pH Stability: 6.0 – 8.5
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Temperature Stability: 2–8°C (long-term), loses activity above 50°C
Performance Characteristics
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Optimum pH: 7.0 – 7.8
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Optimum Temperature: 25–37°C
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Enzyme Activity: Retains ≥ 90% activity for at least 6 months under recommended conditions
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Substrate Specificity: Catalyzes the oxidation of xanthine to uric acid with the reduction of oxygen to hydrogen peroxide
Storage and Stability
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Storage Conditions: 2-8°C (refrigerated, dry and tightly sealed)
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Shelf Life: 12–24 months from the date of manufacture
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Reconstituted Solution Stability: Use within 24 hours when stored at 2–8°C
Safety Precautions
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Handling: Wear gloves, a face mask, and a lab coat to prevent inhalation of enzyme dust or contact with skin
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Disposal: Dispose of according to local chemical and biohazard waste regulations
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