Shear-thinning dynamics and viscoelasticity of a novel Eremurus spectabilis glucomannan: Structural insights and implications for food/ pharmaceutical applications

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dc.authorid0000-0002-5528-9708
dc.authorid0000-0003-1173-5793
dc.authorid0000-0003-0665-8041
dc.contributor.authorHoseinpour, Zahra
dc.contributor.authorNiazmand, Razieh
dc.contributor.authorParlak, Mahmut Ekrem
dc.contributor.authorHeydari-Majd, Mojtaba
dc.contributor.authorSaricaoglu, Furkan Turker
dc.date.accessioned2026-02-08T15:15:09Z
dc.date.available2026-02-08T15:15:09Z
dc.date.issued2025
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractThis study aimed to isolate, purify, and characterize the principal water-soluble polysaccharide (ESRP) from E. spectabilis roots and evaluate its structural, thermal, emulsifying, and rheological properties. ESRP exhibited notable in vitro phenolic content and DPPH radical scavenging abilities. Thermal analysis via DSC revealed superior thermal stability, while FT-IR analysis indicated the presence of beta-pyranose configuration in its main polysaccharide backbone. GC-MS and analyse revealed a composition of D-glucose (42.77 %), D-mannose (52.82 %), and D-galactose (4.43 %) and presence of degree of O-acetyl groups with a molecular weight of 19.1 kDa. The Zeta potential was negative (-20.97 mV), indicating an anionic nature of ESRP. The aqueous ESRP solutions showed shear thinning behaviour, with viscosity dependent on concentration and temperature. ESRP solutions exhibited pseudo-plastic properties, with lower moduli values compared to inulin. Overall, these findings suggest that ESRP, as a shear-thinning substance, has potential as a novel stabilizer or thickener in various industrial applications.
dc.identifier.doi10.1016/j.carpta.2025.100910
dc.identifier.issn2666-8939
dc.identifier.scopus2-s2.0-105009269921
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.carpta.2025.100910
dc.identifier.urihttps://hdl.handle.net/20.500.12885/5634
dc.identifier.volume11
dc.identifier.wosWOS:001530627300001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofCarbohydrate Polymer Technologies and Applications
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzWOS_KA_20260207
dc.subjectEremurus spectabilis
dc.subjectPolysaccharide
dc.subjectIsolation
dc.subjectStructural analysis
dc.subjectRheological properties
dc.titleShear-thinning dynamics and viscoelasticity of a novel Eremurus spectabilis glucomannan: Structural insights and implications for food/ pharmaceutical applications
dc.typeArticle

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