Effect of EDTA on Production of Xylanase by Streptomyces Species and their Bleaching Effect on Papyrus and Cotton Stalk Pulp

Author

Zenat A Nagieb, Magda G El Milegy,  Hala MR Faat and KB Isis

Accepted 15 March, 2014.

Citation: Nagieb ZA, El Milegy MG, Faat HMR, Isis KB (2014). Effect of EDTA on Production of Xylanase by Streptomyces Species and their Bleaching Effect on Papyrus and Cotton Stalk Pulp. Int. J. Forestry Wood Sci. 1(1): 002-009.

Xylanase   production   using   Sterptomyces   rochei   and   Streptomyces chromofuscus was improved with untreated and treated different pulps as substrate. Xylanase was produced on treated pulp with a maximum activity of 43.01 u/ml. Streptomyces chromofuscus exhibited a higher xylanase activity using either untreated or treated pulp as substrate rather than Sterptomyces rochei it was found that kappa number decreased from 54 in case of control to 32.8. Streptomyces rochei but 30.2 in case of Streptomyces chromofuscus Also brightness was enhanced from14.1% in case of control to 10.4% and9.5% in case of treated with Streptomyces rochei and Streptomyces chromofuscus respectively. Lignin % was enhanced by treated by Streptomyces rochei from 27% to16.4% and to 15.1% in case of Streptomyces chromofuscus EDTA had great influence of activate enzyme xylanase to achieve excellent bleaching IR,X-ray and electron microscope were also studied.

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