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Título : Efecto de nutrientes sobre la producción de biomasa del hongo medicinal Ganoderma lucidum
Otros títulos : Effect of nutrients in the biomass production of the medicinal mushroom Ganoderma lucidum
Autor : Torres López, Ana María
Quintero Díaz, Juan Carlos
Atehortúa Garcés, Lucía
metadata.dc.subject.*: Harina
Relación C/N
Micronutrientes
Fuentes de carbono
Fuentes de nitrógeno
Cebada
Ganoderma lucidum
Fecha de publicación : 2011
Editorial : Universidad Nacional de Colombia, Instituto de Biotecnología
Citación : Torres López, A. M., Quintero Díaz, J. C., & Atehortúa Garcés, L. (2011). Efecto de nutrientes sobre la producción de biomasa del hongo medicinal Ganoderma lucidum. Revista Colombiana de Biotecnología. 13(1), 103-109.
Resumen : Ganoderma lucidum fungus has some biomass components with beneficial health properties. The knowledge about its nutritionals requirements for growing will favor its industrial production at lower cost. In this work, the effect of C/N ratio, the presence of different carbon, nitrogen and micronutrients sources, on fungal biomass production, were evaluated. Using glucose and peptone as carbon and nitrogen sources, respectively, an optimal C/N ratio of 16,7:1 was found, for which the maximal biomass production was 25 g/L. Replacing glucose by lactose or barley flour and peptone by yeast extract at the same C/N ratio, the biomass production was enhanced to 35 g/L. With barley flour in the culture medium, the presence of Mg and K salts and thiamine did not turn out into a major increase of biomass. The G. lucidum biomass production is promoted by C/N ratios in the culture medium nearly equivalent to that found in the fungus, as well as the presence of complex substrates as barley flour which, additionally, contributes with important micronutrients along with the carbon source.
ISSN : 01233475
19098758 E
Aparece en las colecciones: CIA (Centro de Investigaciones Ambientales y de Ingeniería)

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