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首页> 外文期刊>Environmental Sustainability >Evaluation of cellulase production from Aspergillus niger and Aspergillus heteromorphus under submerged and solid‐state fermentation
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Evaluation of cellulase production from Aspergillus niger and Aspergillus heteromorphus under submerged and solid‐state fermentation

机译：纤维素酶生产的评价黑曲霉和曲霉菌heteromorphus在水下发酵和固体状态

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摘要

The present study aimed at cellulase production from two fungal strains of Aspergillus niger and Aspergillus heteromorphus under solid-state fermentation(SSF)and submerged fermentation(SmF)conditions.The agricultural residue(rice straw)was tested for its suitability as solid support as well as a carbon source for microbial growth.The potential of fungi to produce enzyme rely on the species of the fungus,growth substrate(lignocellulosic biomass)and culturing method.In the present work,rice straw was used as a substrate for fungal growth under SSF and SmF conditions.Maximum cellulase activities as 6.4 IU/g FPase and 125 IU/g CMCase under SSF condition,and 3.8 IU/g FPase and 94 IU/g CMCase under SmF were achieved on the 5th day of incubation from A.heteromorphus.Similarly,FPase and CMCase activity for A.niger under SSF were 5.8 IU/g and 113 IU/g,respectively,while FPase activity 3.5 IU/g and CMCase activity 88 IU/g was observed under SmF condition.A.heteromorphus shows higher cellulase production ability as compared to A.niger,and the SSF condition is better than SmF for enzyme production.
机译：本研究旨在纤维素酶生产从两个真菌菌株黑曲霉和曲霉属真菌heteromorphus在固态下发酵(SSF)和淹没发酵(SmF)条件。残渣(稻草)对其适用性进行了测试作为坚实的支持以及碳源微生物的增长。生产酶依赖的物种真菌生长衬底(木质纤维素的生物质)和培养方法。工作,稻草作为衬底社保基金和SmF下真菌生长条件。国际单位/ g FPase和125 IU / g CMCase社保基金condition,和3.8不要走不要走/ g FPase and 94不要走不要走/ g CMCase在SmF的第五天从A.heteromorphus.Similarly孵化,FPase和CMCase活动A.niger下社保基金5.8 IU / g和113 IU / g,分别,而FPase活动3.5 IU / g和CMCase活动88 IU / g观察到在SmF condition.A.heteromorphus显示更高的纤维素酶生产能力A.niger相比,社保基金的条件比SmF酶生产。

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