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首页> 外文期刊>Applied Microbiology and Biotechnology >Fermentability of hemicelluloses extracted from municipal waste and commercial xylans by Clostridium sp.
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Fermentability of hemicelluloses extracted from municipal waste and commercial xylans by Clostridium sp.

机译：梭状芽胞杆菌从城市废物和商业木聚糖中提取的半纤维素的发酵能力。

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摘要

The fermentability of commercial xylans and municipal waste hemicelluloses in the presence of Clostridium sp. (C.SAIV; ATCC 700188) has been evaluated. Teak, deal wood, banana stalk and bagasse of the municipal waste contained significant amounts (approx. 12%-23%) of hemicellulose. Under optimized growth conditions, the growth rate of C.SAIV was improved as indicated by an increase in the concentration of ethanol in the culture broth. Commercial xylans were utilized fairly efficiently and ethanol formed from larch wood xylan and bagasse hemicellulose was at least 64 mM. The amount of ethanol formed from the bagasse hemicellulose was at least three times higher than any other reported value. The current study also indicated that the source and composition of hemicellulose played an important role in determining the fermentability of the substrate for some microorganisms.
机译：梭状芽胞杆菌存在下商业木聚糖和城市垃圾半纤维素的发酵能力。 （C.SAIV; ATCC 700188）已经过评估。柚木，废木材，香蕉秸秆和甘蔗渣等城市废物中含有大量（约12％-23％）的半纤维素。在优化的生长条件下，C.SAIV的生长速率得到了改善，如培养液中乙醇浓度的增加所表明的。商业木聚糖被相当有效地利用，并且由落叶松木木聚糖和甘蔗渣半纤维素形成的乙醇至少为64mM。由甘蔗渣半纤维素形成的乙醇量比任何其他报告的值至少高三倍。当前的研究还表明，半纤维素的来源和组成在确定底物对某些微生物的可发酵性方面起着重要作用。

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