Table 1 The effects of several interfering chemicals on the activity of the catalase enzyme
From: Simple spectrophotometric assay for measuring catalase activity in biological tissues
Supposed chemical interferences | Concentration of supposed chemical interferences | Added catalase U mL− 1 | Found catalase U mL− 1 | Relative error (%) |
|---|---|---|---|---|
Heparin | 78.4 USP/10 mL | 0.5 | 0.509 | −1.8 |
EDTA | 20.0 μM | 0.5 | 0.511 | −2.2 |
Glucose | 0.35 mg mL−1 | 0.5 | 0.509 | −1.8 |
Histidine | 50 μM | 0.5 | 0.492 | 1.6 |
Albumin | 0.5 mg mL−1 | 0.5 | 0.516 | −3.2 |
Ascorbic acid | 20.0 μM | 0.5 | 0.489 | 2.2 |
Arginine | 50 μM | 0.5 | 0.507 | −1.4 |
Uric Acid | 50 μM | 0.5 | 0.495 | 1 |
Lysine | 50 μM | 0.5 | 0.509 | −1.8 |