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OALib Journal期刊
ISSN: 2333-9721
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厌氧纤维素降解产氢复合菌系l-3的研究
DOI: 10.3724/SP.J.1145.2010.00104, PP. 104-108
Keywords: 厌氧发酵,纤维素降解,产氢,复合菌系,纤维素降解酶
Abstract:
从厌氧发酵污泥中筛选到一组高效、传代稳定的厌氧纤维素降解复合菌系l-3.该复合菌系的内切葡聚糖酶活（cx）、滤纸酶活（fpa）、外切葡聚糖酶活（c1）、β-葡聚糖苷酶活（β-glucodase）分别为0.216、0.101、0.132、0.002u/ml；该复合菌系可使滤纸在42h内溃烂，并能在降解纤维素的同时产生氢气，气体中氢气含量最高可达70.2%，d13时滤纸失重率为70.6%.dgge结果表明，该复合菌系主要由14种菌组成.在所选实验条件内，该复合菌系产纤维素降解酶的最适条件为：最佳碳源为滤纸，最佳氮源为硫酸铵，温度36℃，ph6.5~7.0，接种量5%.图2表4参12
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