from Aspergillus species, lyophilizate
For further processing only.
expand | collapse
Nitrate Reductase material number and pack size: Material Number Pack Size 10918202103 custom fill
- Oxidoreductase that catalyzes the reduction of nitrate to nitrite. Nitrite:NAD(P)+ oxidoreductase
- Use Nitrate Reductase in diagnostic tests for the determination of nitrate.
Appearance: Yellow lyophilizate
Activity (+25°C, nitrate): ≥0.4 U/mg lyophilizate
Specific activity: ≥10 U/mg protein
Protein (Biuret): No limit
Contaminants (expressed as percentage of Nitrate Reductase activity):
Alcohol dehydrogenase (NADPH dependent): ≤0.8
''NADPH oxidase'': ≤0.5
Nitrite reductase: ≤0.15
Stability: At -15 to-25°C within specification range for 12 months. Store dry. Protect from light.