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Prof. Rashed Abdel-Fatah Mohamed Zaghloul :: Publications:

Title:
Production of chitosan by surface and submerged fermentation from Aspergillus niger and Rhizopus nigricans
Authors: Zaghloul, R.A 1 ; Abou-Aiy, H.E1;EI-Housseiny,T. M1;Ghonaimy,G.A 2and Ashry, Noha,M1
Year: 2017
Keywords: Not Available
Journal: The 7th International Conference of Sustainable Agricultural Development, El-Fayum, Egypt
Volume: 1
Issue: 1
Pages: 284-293
Publisher: The 7th International Conference of Sustainable Agricultural Development, El-Fayum, Egypt
Local/International: International
Paper Link: Not Available
Full paper Rashed Abdel-Fatah Mohamed Zaghloul_Rashed 61.pdf
Supplementary materials Not Available
Abstract:

ABSTRACT This study was carried out to isolate chitosan producing fungi from different food sources. Forty five isolates of fungi were isolated from different natural contaminated sources, Twenty three isolates belonging to genus Aspergillus while. the other twenty two isolates were belonging to genus Rhizopus. All isolates were tested to choose the potential isolates according to the yield of fungal biomass. Results showed that, Aspergillus isolates gave an amount of biomass yield more than that obtained by Rhizopus isolates grown on all the tested media. The obtained results is clearly indicate that the highest records of fresh and dry weights of Aspergillus biomass were obtained on Karimi's medium while, the highest records of fresh and dry weights of Rhizopus biomass were observed on yeast peptone glucose medium. The selected fungal isolates which produced considerable biomass content were tested for their chitin and chitosan content using submerged and surface culture. It is important to mention that surface culture method gave higher records of biomass, chitin and chitosan production compared to submerged culture. So surface fermentation was used in subsequent experiment.

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