Publicación: Evaluación de la relación área/volumen y apertura del sustrato sobre el crecimiento del hongo Pleurotus ostreatus a nivel laboratorio
| dc.contributor.advisor | Núñez Gónzalez, Luis Ernesto | |
| dc.contributor.author | Pardo Carrillo, Natalia Tais | |
| dc.contributor.jury | Zambrano Ruano, Gamaliel Giovanni | |
| dc.contributor.jury | Ortíz Pineda, Carmen Alicia | |
| dc.date.accessioned | 2026-06-30T17:58:33Z | |
| dc.date.issued | 2025 | |
| dc.description | Formato PDF digital — 172 páginas — incluye gráficos, tablas y referencias bibliográficas. | |
| dc.description.abstract | Pleurotus ostreatus es un hongo comestible de rápida colonización y amplia adaptabilidad que convierte residuos lignocelulósicos en biomasa de alto valor nutricional, económico y biotecnológico. La productividad de su cultivo depende tanto de las condiciones ambientales y del sustrato empleado como de los factores físicos que definen el microambiente interno del bloque. En el presente trabajo de graduación se evaluaron tres relaciones área/volumen (0.40, 0.45 y 0.50 cm⁻¹) y tres configuraciones de apertura posterior a la incubación del sustrato (doble apertura, apertura lateral y apertura superior) utilizado en la producción del hongo Pleurotus ostreatus para conocer su efecto sobre el crecimiento. Para ello, se desarrolló una metodología para cuantificar la producción de basidiocarpos y el crecimiento micelial. Se determinó que la relación área/volumen tuvo un efecto significativo en el rendimiento biológico y la masa de basidiocarpos, donde A/V = 0.45 cm⁻¹ alcanzó los mejores resultados (EB = 71.02 ± 14.22 %; masa = 173.33 ± 7.57 g). La apertura de la bolsa solo influyó significativamente en la cantidad de basidiocarpos, con la doble apertura (DA) obteniendo el mayor número (48 ± 16). En cuanto a dimensiones, la interacción A/V×Apertura mostró que DA con A/V de 0.40–0.45 favoreció sombreros amplios (6.5–7.0 cm) y estípites más cortos (3.0–3.5 cm). Además, se desarrolló un modelo cinético tipo Monod que describió adecuadamente la dinámica micelio–sustrato (R² > 0.90), evidenciando que la A/V afecta principalmente a μmax (0.352 d⁻¹ para 0.45; 0.412 d⁻¹ para 0.40; 0.231 d⁻¹ para 0.35 cm⁻¹), mientras que Ks (41–46 g L⁻¹) y Yx/s (0.88–0.89 g g⁻¹) permanecieron estables. Finalmente, el análisis costo-beneficio identificó como más favorable el tratamiento con A/V = 0.45 cm⁻¹ y DA, alcanzando la mejor relación Beneficio/Costo (1.2606). | spa |
| dc.description.abstract | Pleurotus ostreatus is a rapidly colonizing, highly adaptable edible mushroom that converts lignocellulosic residues into biomass of high nutritional, economic, and biotechnological value. The productivity of its cultivation depends on environmental conditions, the substrate used, and the physical factors that define the block’s internal microenvironment. In this study, three area-to-volume ratios (A/V = 0.40, 0.45, and 0.50 cm⁻¹) and three post-incubation bagopening configurations (double opening, lateral opening, and top opening) were evaluated in the production of P. ostreatus to determine their effect on growth. A methodology was developed to quantify basidiocarp (fruiting body) production and mycelial growth. The A/V ratio had a significant effect on biological efficiency (BE) and basidiocarp mass, with A/V = 0.45 cm⁻¹ yielding the best results (BE = 71.02 ± 14.22 %; mass = 173.33 ± 7.57 g). Bag opening only significantly affected the number of basidiocarps, with double opening (DA) producing the highest counts (48 ± 16). Regarding dimensions, the A/V × Opening interaction showed that DA with A/V of 0.40–0.45 favored wider caps (6.5–7.0 cm) and shorter stipes (3.0–3.5 cm). In addition, a Monod-type kinetic model adequately described the mycelium–substrate dynamics (R² > 0.90), indicating that A/V primarily affected μmax (0.352 d⁻¹ for 0.45; 0.412 d⁻¹ for 0.40; 0.231 d⁻¹ for 0.35 cm⁻¹), while Ks (41–46 g L⁻¹) and Yx/s (0.88–0.89 g g⁻¹) remained stable. Finally, the cost–benefit analysis identified the treatment with A/V = 0.45 cm⁻¹ and DA as the most favorable, achieving the highest Benefit/Cost ratio (1.2606). | |
| dc.description.degreelevel | Pregrado | |
| dc.description.degreename | Licenciado en Ingeniería Química Industrial | |
| dc.format.extent | 172 p. | |
| dc.format.mimetype | application/pdf | |
| dc.identifier.uri | https://repositorio.uvg.edu.gt/handle/123456789/6597 | |
| dc.language.iso | spa | |
| dc.publisher | Universidad del Valle de Guatemala | |
| dc.publisher.branch | Campus Central | |
| dc.publisher.faculty | Facultad de Ingeniería | |
| dc.publisher.place | Guatemala | |
| dc.publisher.program | Licenciatura en Ingeniería Química Industrial | |
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| dc.rights.accessrights | info:eu-repo/semantics/openAccess | |
| dc.rights.coar | http://purl.org/coar/access_right/c_abf2 | |
| dc.rights.license | Atribución-NoComercial-SinDerivadas 4.0 Internacional (CC BY-NC-ND 4.0) | |
| dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |
| dc.subject.armarc | Mushroom | |
| dc.subject.armarc | Cultivos (Biología) | |
| dc.subject.armarc | Growth regulators | |
| dc.subject.armarc | Técnicas de cultivo | |
| dc.subject.armarc | Hongos comestibles | |
| dc.subject.armarc | Velocidad de reacción | |
| dc.subject.armarc | Champiñones (cocina) | |
| dc.subject.armarc | Pleurotus -- Guatemala | |
| dc.subject.armarc | Hongos -- Medio de crecimiento | |
| dc.subject.armarc | Pleurotus ostreatus -- Guatemala | |
| dc.subject.armarc | Hongos -- Aplicaciones industriales | |
| dc.subject.ddc | 630 - Agricultura y tecnologías relacionadas::635 - Cultivos hortícolas (Horticultura) | |
| dc.subject.ocde | 2. Ingeniería y Tecnología::2D. Ingeniería Química | |
| dc.subject.ods | ODS 2: Hambre cero. Poner fin al hambre, lograr la seguridad alimentaria y la mejora de la nutrición y promover la agricultura sostenible | |
| dc.subject.ods | ODS 9: Industria, innovación e infraestructura. Construir infraestructuras resilientes, promover la industrialización inclusiva y sostenible y fomentar la innovación | |
| dc.title | Evaluación de la relación área/volumen y apertura del sustrato sobre el crecimiento del hongo Pleurotus ostreatus a nivel laboratorio | spa |
| dc.title.translated | Evaluation of the surface area-to-volume ratio and substrate opening on the growth of the fungus Pleurotus ostreatus at the laboratory scale | |
| dc.type | Trabajo de grado - Pregrado | |
| dc.type.coar | http://purl.org/coar/resource_type/c_18cf | |
| dc.type.coarversion | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |
| dc.type.content | Text | |
| dc.type.driver | info:eu-repo/semantics/bachelorThesis | |
| dc.type.version | info:eu-repo/semantics/publishedVersion | |
| dc.type.visibility | Public Thesis | |
| dspace.entity.type | Publication |
