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Effect of steam explosion pretreatment on treatment with Pleurotus ostreatus for the enzymatic hydrolysis of rice straw
Masayuki Taniguchi ,
Daisuke Takahashi ,
Daisuke Watanabe ,
Kenji Sakai ,
Kazuhiro Hoshino ,
Tomoaki Kouya ,
Takaaki Tanaka
October 2010
October 2010
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Abstract
The effects of steam explosion (1.5 MPa, 1 min) on the treatment of rice straw with
Pleurotus ostreatus were evaluated in terms of the change in composition of the components
and the susceptibility to enzymatic hydrolysis. When rice straw was pretreated with
a steam explosion prior to biological treatment, the treatment time required for obtaining
a 33% net glucose yield was reduced to 36 days from 60 days. The reduction is probably
due to loosening of networks of Klason lignin with sugar moieties and partial collapse
of the structure during the biological treatment.