Potential of utilizing aged bark-and-wood waste through mycological degradation as a biotechnological process
https://doi.org/10.35885/1684-7318-2024-4-500-508
Abstract
Our composition analysis of bark-and-wood waste from a warehouse in the Syktyvkar city revealed a high nutrient content, no toxicity, and the potential for using xylotrophic basidiomycetes for solid state fermentation. Three strains of xylotrophic basidiomycetes (Trametes hirsuta, Fomitopsis pinicola, and Laetiporus sulphureus) were evaluated for their growth rate, growth index, yield of hardly hydrolysable polysaccharides, and cellulase yield when cultivated on the bark-wood waste. The results showed that T. hirsuta exhibited the highest growth rate (4.95– 6.2 mm/day), growth factor (60–77), and the maximum yield of hardly hydrolysable polysaccharides (30.7%) in 30 days. Furthermore, the maximum cellulase yield was 1330 unit/g.
Keywords
bark-and-wood waste,
xylotrophic basidiomycetes,
growth characteristics,
hydrolyzable polysaccharides,
cellulase
Supporting agencies: The study was supported by the State Task of the Institute of Biology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences on “Scientifically Justified Biotechnologies to Improve the Ecological Situation and Human Health in the North” (no. 1021051101411-4-1.6.23).
About the Authors
Vladislav V. Martynov
Institute of Biology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Laboratory of Biochemistry and Biotechnology
28 Kommunisticheskaya St., Syktyvkar 167982
Tatiana N. Shchemelinina
Institute of Biology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
28 Kommunisticheskaya St., Syktyvkar 167982
Elena M. Anchugova
Institute of Biology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
28 Kommunisticheskaya St., Syktyvkar 167982
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For citations:
Martynov V.V., Shchemelinina T.N., Anchugova E.M. Potential of utilizing aged bark-and-wood waste through mycological degradation as a biotechnological process. Povolzhskiy Journal of Ecology. 2024;(4):500 – 508. (In Russ.) https://doi.org/10.35885/1684-7318-2024-4-500-508
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