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Fungal chitosan production and its characterization
Abstract
AIMS: The objective of this investigation was to evaluate the chitosans produced by several species of fungi. METHODS AND RESULTS: Representatives of four species of filamentous fungi, Aspergillus niger, Rhizopus oryzae, Lentinus edodes and Pleurotus sajo-caju, and two yeast strains, Zygosaccharomyces rouxii TISTR5058 and Candida albicans TISTR5239, were investigated for their ability to produce chitosan in complex media. Fungal chitosan was produced at 10-140 mg g-1 cell dry weight, had a degree of deacetylation of 84-90% and a molecular weight of 2.7 x 104-1.9 x 105 Da with a viscosity of 3.1-6.2 centipoises (cP). CONCLUSIONS: Rhizopus oryzae TISTR3189 was found to be the producer of the highest amounts of chitosan. SIGNIFICANCE AND IMPACT OF THE STUDY: Commercial chitosan could be obtained from Rhizopus mycelia and would have potential applications for medical and agricultural uses.
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Cited by
Chitosan as antimicrobial agent: applications and mode of action.
Rabea, E. I., Badawy, M. E.-T., Stevens, C. V., Smagghe, G., & Steurbaut, W. (2003) · Biomacromolecules · doi:10.1021/bm034130m · Cited by 3,123
Chemical Characteristics and Functional Properties of Chitosan
Lizardi-Mendoza, J., Argüelles Monal, W. M., & Goycoolea Valencia, F. M. (2016) · Chitosan in the Preservation of Agricultural Commodities · doi:10.1016/b978-0-12-802735-6.00001-x · Cited by 167
Metadata
- Authors
- Pochanavanich, P., & Suntornsuk, W.
- Venue
- Letters in Applied Microbiology
- Publisher
- Oxford University Press (OUP)
- Published
- 2002-07
- Volume
- 35
- Issue
- 1
- Pages
- 17-21
- ISSN
- 0266-8254 (ISSN-L)
- 1365-2673
- OpenAlex
- W2059158805
- Cited by
- 267
- References
- 0
- FWCI
- 1.49
- Type
- journal article
- Language
- en
- Open access
- closed
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