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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