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Figure 3

From: Effect of polyols on thermostability of xylanase from a tropical isolate of Aureobasidium pullulans and its application in prebleaching of rice straw pulp

Figure 3

Effect of pH and temperature on activity of the purified xylanase from A. pullulans CBS 135684 cultivated in basal medium containing 1% (w/v) corncob. Reactions were conducted for 30 mins with 1% (w/v) beech wood xylan in 50 mM of sodium acetate buffers (pH 3.0–6.0) or phosphate buffers (pH 6.0–10.0) at various temperatures including 50°C (♦), 60°C (■), 70°C (•), 80°C (▲) and 90°C (ο). The relative activity was calculated as the percentage of enzyme activity assayed in 50 mM sodium acetate buffers (pH 6.0) at 70°C. Experiments were performed in triplicate (N = 3) and error bars indicated standard deviations.

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