Title: Study on biodegrated ability of edible fungi to rice straw
Abstract: In this study,seven edible fungi were chosen for detecting their abilities of lignin,cellulose and hemicellulose degradation.Four edible fungi which were Pleurotus ostreatus hanhei,P.ostreatus 8,P.cornucopiae,and Hypsizygus marmoreus 206 grew faster on the media with cellulose as the sole carbon source than others.The relative enzyme profiles of the four fungi were examined.The results showed that the fungal H.marmoreus 206 had maximum activities of lignin degrading enzymes,and the values were 58.52 U·g-1,186.66 U·g-1 and 8.82 U·g-1,respectively,for LiPs,MnPs and Lacs.H.marmoreus 206 also produced the maximal filter paper enzyme activity,3.86 U·mL-1.The highest activity of xylanase was 41.20 U·mL-1 on the 16 day by P.ostreatus hanhei.During the 18 days fermentation,P.ostreatus hanhei had the highest hemicellulose degradation rate(51.03%),and the second was H.marmoreus 206(50.49%).While H.marmoreus 206 had the highest lignin degradation rate(51.47%).All in all,P.ostreatus hanhei displayed the maximum rice straw degradation rate(47.52%),compared to that of H.marmoreus 206(41.80%),P.ostreatus 8(36.00%),P.cornucopiae(35.63%).It could be concluded that P.ostreatus hanhei and H.marmoreus 206 showed the higher straw degradation abilities and could be regarded as potential straw degradation fungi.
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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