Investigation of Factors Affecting Xylanase Activity from Trichoderma Harzianum 1073 D3
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In this study, some physiological conditions affecting the activity of xylanase enzyme produced from Trichoderma harzianum 1073 D3 were determined. In addition, stabilization of pH and temperature in liquid and semi-solid state cultivation media were investigated. It was concluded that for maximum xylanase activity incubation at 60 degrees C in an enzyme incubation medium with pH 5 that contained 1% xylan was appropriate. The stability studies showed that the enzyme was relatively stable in the pH range 3-7 and retained more than 50% of its original activity after four months.