Figure 6

Hydrolysis of filter paper by cellulase preparations from Trichoderma viride and Pestalotiopsis westerdijkii adjusted to equal activities on carboxymethyl cellulose. Culture filtrates diluted to 19 C_x units per ml. 0.5 ml enzyme + 1 ml pH 4.8 buffer + 50 mg paper. Incubated at 50°C. White triangle, T_v QM9123 culture filtrate; white circle, T_v QM9414 culture filtrate; black triangle, P_w QM381 culture filtrate.