Optimization of Bacterial Cellulose Production by Komagataeibacter rhaeticus K23

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dc.authorid0000-0002-5857-8820
dc.authorid0000-0003-4136-3791
dc.contributor.authorUgurel, Ceyda
dc.contributor.authorOgut, Hamdi
dc.date.accessioned2026-02-08T15:15:56Z
dc.date.available2026-02-08T15:15:56Z
dc.date.issued2024
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractThe use of bacterial cellulose (BC), having high purity, a high degree of crystallinity, water-holding capacity, tensile strength and adaptability on a broad scale is limited because of the low yield. In this study, the optimal conditions for bio-cellulose production by Komagataeibacter rhaeticus K23 were investigated. Optimal values for temperature, pH, inoculum concentration and incubation time were determined via Taguchi design. The maximum BC production, 9.1 +/- 0.66 gL-1 (dry weight), was obtained from 32 degrees C, pH 5.5, 8 log CFUmL(-1) and 14 days of incubation. The inoculum concentration was the most significant factor affecting BC yield. A value of 8 log CFUmL(-1) and 14 days of incubation led to significantly higher levels of BC yield than other concentrations (8.5, 9, 9.5, 10 and 10.5 log CFUmL(-1)) (p < 0.002) and days (15, 16, 17, 21 and 28) (p < 0.001). The studied features, namely absorption peaks (Fourier transform infrared spectroscopy), pattern and the crystallinity index (X-ray diffraction analysis) of the BC obtained in this study were all in parallel with the characteristics of cellulose I. The study demonstrates that optimized parameters were effective in producing BC with high water-holding capacity, tensile strength, elongation and Young's modulus (mechanical tests) by K. rhaeticus K23.
dc.description.sponsorshipTUBITAK-BIDEB 2211-C National PhD Scholarship Program for Priority Areas
dc.description.sponsorshipNo Statement Available
dc.identifier.doi10.3390/fib12030029
dc.identifier.issn2079-6439
dc.identifier.issue3
dc.identifier.scopus2-s2.0-85188831800
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.3390/fib12030029
dc.identifier.urihttps://hdl.handle.net/20.500.12885/6052
dc.identifier.volume12
dc.identifier.wosWOS:001191987400001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherMdpi
dc.relation.ispartofFibers
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzWOS_KA_20260207
dc.subjectbacterial cellulose
dc.subjectoptimization
dc.subjectincubation
dc.subjectKomagataeibacter rhaeticus
dc.subjectTaguchi methods
dc.subjectdesign of experiment
dc.subjectbiocellulose
dc.titleOptimization of Bacterial Cellulose Production by Komagataeibacter rhaeticus K23
dc.typeArticle

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