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  • saccharification of woody biomass using glycoside hydrolases from stereum hirsutum

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 493
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     enzymatic saccharification of woody biomasses was performed using glycoside hydrolases from stereum hirsutum, a newly isolated fungal strain found to secrete efficient glycoside hydrolases. the strain showed the highest β-glucosidase, cellobiohydrolase, endoglucanase, endoxylanase, laccase, and filter paper activity of 10.3, 1.7, 10.3, 29.9, 0.12, and 0.58 u/ml, respectively. among the various biomasses tested for saccharification, pine biomass produced maximum reducing sugar. response surface methodology was used to optimize the hydrolysis of pine biomass to achieve the highest level of sugars. the parameters including enzyme, substrate concentration, temperature and ph were found to be critical for the conversion of pine biomass into sugars. maximum saccharification of 49.7% (435 mg/g-substrate) was obtained after 96 h of hydrolysis. a close agreement between the experimental results and the model predictions was achieved. s. hirsutum could be a good choice for the production of reducing sugars from cellulosic biomasses.

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