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Fig. 4 | Microbial Cell Factories

Fig. 4

From: A novel bifunctional acetyl xylan esterase/arabinofuranosidase from Penicillium chrysogenum P33 enhances enzymatic hydrolysis of lignocellulose

Fig. 4

Effects of pH and temperature on the enzyme activity of purified rPcAxe with 4-nitrophenyl-α-l-arabinofuranoside. a Effect of temperature on enzyme activity. The optimal temperature was determined in the range of 20–60 °C. b Effect of pH on enzyme activity. Enzyme activity was measured between pH 5 and 11 using mixtures of 0.1 M citric acid and 0.2 M sodium hydrogen phosphate. The maximum activity was defined as 100%, and the relative activity was determined. Values are the means and standard deviations of triplicate experiments

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