Enzymatic hydrolysis is an important but expensive step in the process to obtain enzyme derived products. Thus, the production of efficient enzymes is of great interest for this biotechnological application. The production of xylanase by Aspergillus foetidus in soybean residues was optimized using 2 × 23 factorial designs. The experimental data was fitted into a polynomial model for xylanase activity. Statistical analyses of the results showed that variables pH and the interaction of pH and temperature had influenced the production of xylanase, with the best xylanase production level (13.98 U/mL) occurring at fermentation for 168 hours, pH 7.0, 28°C, and 120 rpm.
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机译：酶水解是获得酶衍生产物的过程中重要但昂贵的步骤。因此，对于这种生物技术应用而言，有效酶的产生引起了极大的兴趣。利用2×2 3 因子设计优化了油脂曲霉在大豆残渣中产生木聚糖酶的能力。将实验数据拟合到木聚糖酶活性的多项式模型中。结果的统计分析表明，变量pH值以及pH和温度之间的相互作用影响了木聚糖酶的产生，在168小时，pH 7.0、28°C的发酵条件下，最佳的木聚糖酶产生水平（13.98 U / mL）发生。 120 rpm。
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