Type X-S, lyophilized powder, 100,000-250,000 units/g solid (without added oxygen)
Type VII, lyophilized powder, ≥100,000 units/g solid (without added oxygen)
Catalyzes the oxidation of β-D-glucose to D-glucono-ω-lactone and hydrogen peroxide. Also catalyzes the conversion of D-glucono-ω-lactone to gluconic acid.