The Production of Fungal Mannanase, Cellulase and Xylanase Using Palm Kernel Meal as a Substrate

Extracellular enzymes including mannanase, cellulase and xylanase from Aspergillus wentii TISTR 3075, Aspergillus niger, Aspergillus oryzae, Trichoderma reesei TISTR 3080 and Penicillium sp. were investigated. The enzymes were produced in solid-state fermentation using palm kernel meal (PKM) as a su...

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Main Author: Nisa SAE-LEE
Format: Article
Language:English
Published: Walailak University 2011-11-01
Series:Walailak Journal of Science and Technology
Subjects:
Online Access:http://wjst.wu.ac.th/index.php/wjst/article/view/126
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author Nisa SAE-LEE
author_facet Nisa SAE-LEE
author_sort Nisa SAE-LEE
collection DOAJ
description Extracellular enzymes including mannanase, cellulase and xylanase from Aspergillus wentii TISTR 3075, Aspergillus niger, Aspergillus oryzae, Trichoderma reesei TISTR 3080 and Penicillium sp. were investigated. The enzymes were produced in solid-state fermentation using palm kernel meal (PKM) as a substrate. All fungal strains produced mainly mannanase. A maximum activity of 24.9 U/g koji was observed in A. wentii TISTR 3075 with a specific activity of 1.5 U/mg protein. During PKM fermentation, there was also found low concomitantly of cellulase and xylanase activities with high mannanase activity in all strains. The degradation of non-starch polysaccharides (NSPs) in PKM by these fungal strains was indicated by the increased mannanase, cellulase and xylanase activities which correlated with the increase in reducing sugar content and pH profiles during PKM fermentation. PKM was shown to be more suitable for production of mannanase than cellulase and xylanase for all strains because of the high content of mannan as an inducer in PKM. Increases in enzyme yield might be obtained by optimizing the culture conditions.
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spelling doaj.art-7df1ba1b15ea44feb09dadafa22048662022-12-22T03:26:08ZengWalailak UniversityWalailak Journal of Science and Technology1686-39332228-835X2011-11-014110.2004/wjst.v4i1.126119The Production of Fungal Mannanase, Cellulase and Xylanase Using Palm Kernel Meal as a SubstrateNisa SAE-LEE0Department of Biotechnology, School of Agricultural Technology, Walailak University, Nakhon Si Thammarat 80161Extracellular enzymes including mannanase, cellulase and xylanase from Aspergillus wentii TISTR 3075, Aspergillus niger, Aspergillus oryzae, Trichoderma reesei TISTR 3080 and Penicillium sp. were investigated. The enzymes were produced in solid-state fermentation using palm kernel meal (PKM) as a substrate. All fungal strains produced mainly mannanase. A maximum activity of 24.9 U/g koji was observed in A. wentii TISTR 3075 with a specific activity of 1.5 U/mg protein. During PKM fermentation, there was also found low concomitantly of cellulase and xylanase activities with high mannanase activity in all strains. The degradation of non-starch polysaccharides (NSPs) in PKM by these fungal strains was indicated by the increased mannanase, cellulase and xylanase activities which correlated with the increase in reducing sugar content and pH profiles during PKM fermentation. PKM was shown to be more suitable for production of mannanase than cellulase and xylanase for all strains because of the high content of mannan as an inducer in PKM. Increases in enzyme yield might be obtained by optimizing the culture conditions.http://wjst.wu.ac.th/index.php/wjst/article/view/126Mannanasescellulasesxylanasespalm kernel mealsolid-state fermentationAspergillus spp.
spellingShingle Nisa SAE-LEE
The Production of Fungal Mannanase, Cellulase and Xylanase Using Palm Kernel Meal as a Substrate
Walailak Journal of Science and Technology
Mannanases
cellulases
xylanases
palm kernel meal
solid-state fermentation
Aspergillus spp.
title The Production of Fungal Mannanase, Cellulase and Xylanase Using Palm Kernel Meal as a Substrate
title_full The Production of Fungal Mannanase, Cellulase and Xylanase Using Palm Kernel Meal as a Substrate
title_fullStr The Production of Fungal Mannanase, Cellulase and Xylanase Using Palm Kernel Meal as a Substrate
title_full_unstemmed The Production of Fungal Mannanase, Cellulase and Xylanase Using Palm Kernel Meal as a Substrate
title_short The Production of Fungal Mannanase, Cellulase and Xylanase Using Palm Kernel Meal as a Substrate
title_sort production of fungal mannanase cellulase and xylanase using palm kernel meal as a substrate
topic Mannanases
cellulases
xylanases
palm kernel meal
solid-state fermentation
Aspergillus spp.
url http://wjst.wu.ac.th/index.php/wjst/article/view/126
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