Biological Pretreatment of Softwood Pinus densiflora by Three White Rot Fungi
2007
Lee, J.W. (Seoul National University, Seoul, Republic of Korea) | Gwak, K.S. (Seoul National University, Seoul, Republic of Korea) | Park, J.Y. (Seoul National University, Seoul, Republic of Korea) | Park, M.J. (Seoul National University, Seoul, Republic of Korea) | Choi, D.H. (Korea Forest Research Institute, Seoul, Republic of Korea) | Kwon, M. (Kookmin University, Seoul, Republic of Korea) | Choi, I.G. (Seoul National University, Seoul, Republic of Korea), E-mail: cingyu@snu.ac.kr
The effects of biological pretreatment on the Japanese red pine Pinus densiflora, was evaluated after exposure to three white rot fungi Ceriporia lacerata, Stereum hirsutum, and Polyporus brumalis. Change in chemical composition, structural modification, and their susceptibility to enzymatic saccharification in the degraded wood were analyzed. Of the three white rot fungi tested, S. hirsutum selectively degraded the lignin of this sortwood rather than the holocellulose component. After eight weeks of pretreatment with S. hirsutum, total weight loss was 10.7%, while lignin loss was the highest at 14.52% among the tested samples.
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