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The Selection of Lignin- Degrading Fungus and the Straw Fermentation by Mixed Strains |
Huang Qian Mu-Lan JIANG Rui LIU Chu-yun Wan |
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Abstract According to PDA plate culture, shake-flask culture and solid-state fermentation with straw, we chose the best strain which has growth advantage and yields high activity lignin-degrading enzymes from 6 common white-rot fungus. In order to degrade and utilize the straw obviously, we used the two-step mixed fermentation by Pteurorus ostreatus and Trichoderma Koningii. Through the different combination ways, we found that H6-T10 can get the best straw degradation results. The lignin degradation rate reached 44.77%, and the cellulose degradation rate was 41.48%. All of this could make preparation for biogas fermentation by stalks.
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Received: 22 November 2007
Published: 25 February 2008
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