کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
10395016 888967 2011 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Comparative production of cellulases by mutants of Penicillium janthinellum NCIM 1171 and its application in hydrolysis of Avicel and cellulose
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی تکنولوژی و شیمی فرآیندی
پیش نمایش صفحه اول مقاله
Comparative production of cellulases by mutants of Penicillium janthinellum NCIM 1171 and its application in hydrolysis of Avicel and cellulose
چکیده انگلیسی
Mutants of Penicillium janthinellum NCIM 1171 were evaluated for cellulase production using both submerged fermentation (SmF) and solid state fermentation (SSF). Mutant EU2D-21 gave highest yields of cellulases in both SmF and SSF. Hydrolysis of Avicel and cellulose were compared using SmF and SSF derived enzyme preparations obtained from EU2D-21. Surprisingly, the use of SSF derived preparation gave less hydrolysis compared to SmF derived enzymes. This may be due to inactivation of β-glucosidase at 50 °C in SSF derived enzyme preparations. SmF derived enzyme preparations contained both thermostable and thermosensitive β-glucosidases where as SSF derived enzyme preparations contained predominantly thermosensitive β-glucosidase. This is the first report on less thermostability of SSF derived β-glucosidase which is the main reason for getting less hydrolysis.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Bioresource Technology - Volume 102, Issue 11, June 2011, Pages 6569-6572
نویسندگان
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