Fig. 2

The relationship between fermentation time and exoenzyme activity in a and b. The proteinase, glucoamylase and pectase are shown in a. Cellulase and amylase are shown in b. The activities of enzymes were sampled every 2 h when the cultivation time was between 38 and 48 h. Data are mean ± SD (n = 3). The types and optimum fermentation times of the extracellular enzymes were determined