Investigation of the effect of enzymatic and alkali treatments on the physico-chemical properties of Sambucus ebulus l. plant fiber

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dc.contributor.authorEyüpoğlu, Şeyda
dc.contributor.authorEyüpoğlu, Can
dc.contributor.authorMerdan, Nigar
dc.date.accessioned2024-04-22T11:38:18Z
dc.date.available2024-04-22T11:38:18Z
dc.date.issued2024en_US
dc.departmentFakülteler, Mimarlık ve Tasarım Fakültesi, Moda ve Tekstil Tasarımı Bölümüen_US
dc.description.abstracthe investigation aims to determine the effect of enzymatic and alkali treatments on Sambucus ebulus L. stem fiber. For this purpose, Sambucus ebulus L. stem fibers were treated with alkali, cellulase, and pectinase enzymes. An image processing technique was developed and implemented to calculate the average thicknesses of Sambucus ebulus L. fibers. The thickness of alkali, cellulase and pectinase enzyme treated fibers was determined as 478.62??m, 808.28??m and 478.20??m, respectively. Scanning electron microscopy analysis illustrated that enzymatic and alkali treatments lead to the breakage of fiber structure. Furthermore, enzymatic and alkali treatments induce variations in elemental ingredients. All treatments increased the crystallinity index of Sambucus ebulus L. fiber from 72?% (raw fiber) to 83?% (alkali treated), 75.2?% (cellulase enzyme treated) and 86.3?% (pectinase enzyme treated) due to the hydrolysis of hemicellulose. Fourier transform infrared analysis indicated that there are no significant differences in functional groups. Thermogravimetric analysis shows that enzymatic and alkali treatments improve final degradation temperature of the fiber. Mechanical behaviors of cellulase enzyme-treated fiber decrease compared to raw fiber, while pectinase enzyme and alkali treatment cause to improve mechanical properties. Tensile strength of samples was determined as 76.4?MPa (cellulase enzyme treated fiber), 210?MPa (pectinase enzyme treated fiber) and 240?MPa (alkali treated fiber). Young's modules of cellulase enzyme, pectinase enzyme and alkali treated fibers were predicted as 5.5?GPa, 13.1?GPa and 16.6?GPa. Elongation at break of samples was calculated as 5.5?% (cellulase enzyme treated fiber), 6.5?% (pectinase enzyme treated fiber) and 6?% (alkali treated fiber). The results suggest that enzymatic and alkali treatments can modify the functional and structural attributes of Sambucus ebulus L. fiber.en_US
dc.identifier.doi10.1016/j.ijbiomac.2024.130968en_US
dc.identifier.pmid38521324en_US
dc.identifier.scopus2-s2.0-85189704598en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.urihttps://hdl.handle.net/11467/7244
dc.identifier.urihttps://doi.org/10.1016/j.ijbiomac.2024.130968
dc.identifier.volume266en_US
dc.identifier.wosWOS:001219914200001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofInternational Journal of Biological Macromoleculesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/embargoedAccessen_US
dc.subjectSambucus ebulus L. stem fiber; Cellulase; Pectinase; Alkali; Crystallinity; Thermal behaviors; Mechanical properties; Image processingen_US
dc.titleInvestigation of the effect of enzymatic and alkali treatments on the physico-chemical properties of Sambucus ebulus l. plant fiberen_US
dc.typeArticleen_US

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