Exoglucanase Determination of exoglucanase was done
by measuring the amount of reducing sugar released in
reaction mixtures which consisted of 50 mM KOH-KH
2PO4
(pH6.2), 1% Avicel and 0.5 mL culture supernatant.
Mixture was maintained at 50°C for 30 min (Buswell et
al. 1996). Three milliliters of DNS reagent were added and
mixtures were boiled at 100°C for 15 min. Absorbance was
read at 565 nm and 1 unit of exoglucanase was expressed
by 1 μmol of glucose liberated per mL enzyme per min.