Production of Rhizopus oryzae by solid state fermentation and evaluation of its biocomposite characteristics

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dc.contributor.authorOzgul, Sevim
dc.contributor.authorDuzel, Ahmet
dc.contributor.authorKocar, Gunnur
dc.contributor.authorSargin, Sait
dc.date.accessioned2026-04-25T14:20:07Z
dc.date.available2026-04-25T14:20:07Z
dc.date.issued2026
dc.departmentSinop Üniversitesi
dc.description.abstractRhizophus oryzae biomass (RB) can be incorporated into polylactic acid (PLA) to create improved biocomposites that perfectly fit the biobased circular economy model. In this study, Rhizopus oryzae EGE-F75, produced through solid-state fermentation in aluminum trays with the maximum RB production conditions (Initial moisture (%): 79.84%, Inoculum ratio (%): 28.01, Incubation time (days): 9.74) was used as reinforcement material in PLA biocomposites. Biocomposites were obtained by adding varying amounts of RB (5% and 10% by weight) to PLA using a twin screw extruder, and the physical, thermal, mechanical and morphological properties of the biocomposites were investigated. According to the results, the incorporation of RB resulted in a decrease in mechanical properties. The tensile strength of 10% RB/PLA composite decreased by 23%, while the flexural modulus value of the composite increased by 6% compared to PLA. Furthermore, the addition of RB to PLA delayed the thermal decomposition of PLA and reduced its thermal conductivity. Introducing 5 wt% of RB to the PLA matrix reduced the thermal conductivity of the PLA matrix by 79%. Therefore, RB may not serve as an ideal filler for enhancing the mechanical properties and thermal stability of biocomposites, but it does offer potential as an alternative material for thermal insulation.
dc.description.sponsorshipCouncil of Higher Education, Republic of Turkey [100/2000 CoHE Doctoral Scholarship Program]; Ege University Office of Scientific Research [FDK-2021-22815]; Cevdet Idot;nci Education Foundation for their grant support through the Harvest Grant Program
dc.description.sponsorshipThe authors sincerely acknowledge Ege University Office of Scientific Research Projects under BAP Grant No. FDK-2021-22815. We extend our gratitude to the Council of Higher Education, Republic of Turkey (100/2000 CoHE Doctoral Scholarship Program), for financial support. Additionally, we are grateful to the Cevdet & Idot;nci Education Foundation for their grant support through the Harvest Grant Program.
dc.identifier.doi10.1080/10826068.2026.2635136
dc.identifier.issn1082-6068
dc.identifier.issn1532-2297
dc.identifier.pmid41744484
dc.identifier.scopus2-s2.0-105031583986
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1080/10826068.2026.2635136
dc.identifier.urihttps://hdl.handle.net/11486/8382
dc.identifier.wosWOS:001702894900001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherTaylor & Francis Inc
dc.relation.ispartofPreparative Biochemistry & Biotechnology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20260420
dc.subjectRhizopus oryzae
dc.subjectsolid state fermentation
dc.subjectbiocomposite
dc.subjectthermal insulation
dc.titleProduction of Rhizopus oryzae by solid state fermentation and evaluation of its biocomposite characteristics
dc.typeArticle

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