Biodegradation of Sweet Corn Cob Using Edible Fungi: A Circular Economy Approach

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dc.contributor.authorAdenike Abiola SHOSANYA
dc.date.accessioned2026-10-14T13:22:10Z
dc.date.available2026-10-14T13:22:10Z
dc.date.issued2025-12
dc.description.abstractAgricultural wastes (corn cob, rice bran, bagasse) generated from agricultural practices are un-useful and discarded, their accumulation in the environment causes a serious challenge, there is need for eco-friendly waste management solutions which could be achieved through the introduction of the circular economy approach of reducing, re-use and recycling of wastes to produce new valuable products instead of the linear economy where wastes are dumped on the road, in water ways, or burned leading to environmental degradation and loss of valuable organic matter. Agricultural wastes rich in lignocellulosic materials are valueless and indigestible for animals but could be degraded by the lignocellulolytic enzymes in edible fungi. The study investigated the biodegradability of edible fungi (Pleurotus pulmonarius, Pleurotus ostreatus and Pleurotus citrinopleatus) on sweet corn cob to produce animal feed and protein-rich mushrooms. The parameters analyzed in the study include; rate and extent of biodegradation, lineal mycelial growth rate, analysis of chemical composition, mineral and vitamin content of degraded and undegraded sweet cob. Data obtained were analyzed using one way ANOVA and Excel Spreadsheet Statistical Package in accordance with AOAC official method in complete randomized timeline (988.05). Result shows that the weight of the substrate reduced, mycelial growth rate increased after biodegradation. Cellulose, crude fiber, hemicellulose, ADF, NDF and ether extract reduced due to enzymatic actions on the corn cob. Crude ash, crude protein increased as a result of the reduction in the lignocellulosic content of the sweetcorn cob. Macro minerals; Calcium, Phosphorus, Magnesium increased while Potassium reduced. Micro minerals; Iron, Manganese, Zinc all increased. Fungal colonization markedly increased the level of vitamin content of the substrate. This research shows that fungi (Pleurotus spp) are good biodegraders, turning wastes to valuable products in a circular economy enhancing waste management, creating economic opportunities promoting food security and environmental sustainability. Keywords: Agricultural wastes, Acid detergent fiber(ADF), Neutral detergent fiber(NDF), Eco-friendly, Circular economy (CE), Linear economy (LE), Lignocellulosic enzymes, Lignocellulosic materials, Biodegradability, Substrate, Sustainability, Edible fungi. Word count: 298
dc.identifier.citationKate Turabian
dc.identifier.otherM.Sc
dc.identifier.urihttps://repository.lcu.edu.ng/handle/123456789/1633
dc.language.isoen
dc.publisherLead City University Ibadan
dc.relation.ispartofseriesM.Sc
dc.subjectAgricultural wastes
dc.subjectAcid detergent fiber(ADF)
dc.subjectNeutral detergent fiber(NDF)
dc.subjectEco-friendly
dc.subjectCircular economy (CE)
dc.subjectLinear economy (LE)
dc.subjectLignocellulosic enzymes
dc.subjectLignocellulosic materials
dc.subjectBiodegradability
dc.subjectSubstrate
dc.subjectSustainability
dc.subjectEdible fungi
dc.titleBiodegradation of Sweet Corn Cob Using Edible Fungi: A Circular Economy Approach
dc.typeThesis

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