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β-葡聚糖酶产酶培养基的优化
Culture Medium Optimization of Aspergillus niger QYW-01A06 for β-glucanase Production
【摘要】 通过对黑曲霉(QYW-01A06)产β-葡聚糖酶培养基的研究,得出其最佳培养基配方为(/100mL):大麦粉4.0g,玉米浆1.0g,(NH4)2SO40.3g,NaNO30.2g,MgSO40.02g,FeSO4·7H2O0.01g,CaCO30.5g;在最佳培养基条件下进行摇瓶培养(80mL培养基/500mL三角瓶),每毫升发酵液酶活力达5252u,酶活力是初始培养基的2.6倍。
【Abstract】 The ingredients of medium affecting Aspergillus niger QYW-01A06 for β-glucanase production have been investigated. The optimum medium(/100mL)of shake-flask culture(80mL medium/500mL Erlenmeyer Flasks) was 4.0g barley powder, 1.0g corn meal,0.3g (NH4)2SO4, 0.2g NaNO3, 0.01g FeSO4·7H2O, 0.02g MgSO4 and 0.5g CaCO3. The enzyme activity of β-glucanase produced by QYW-01A06 could reach 5252u/mL, it is about 2.6 times of the initial design.
- 【文献出处】 现代食品科技 ,Guangzhou Food Science and Technology , 编辑部邮箱 ,2005年01期
- 【分类号】TQ920
- 【被引频次】15
- 【下载频次】293