Physicochemical, microstructural and functional characterization of dietary fibers extracted from lemon, orange and grapefruit seeds press meals

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dc.contributor.authorKaraman, Elif
dc.contributor.authorYılmaz, Emin
dc.contributor.authorTuncel, N. Barış
dc.date.accessioned2025-01-27T18:53:24Z
dc.date.available2025-01-27T18:53:24Z
dc.date.issued2017
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe aim of this study was to characterize dietary fibers extracted from defatted press meals of lemon, orange and grapefruit seeds. After an ultrasound-assisted aqueous extraction, the fibers were investigated for proximate composition, soluble/insoluble fiber contents, color, viscosity, degradation temperature and enthalpy, near infrared (NIR) spectra, X-ray diffraction patterns, scanning electron microscopy (SEM) images, and functional (water and oil holding capacity, swelling capacity) properties. The fibers contain 2.0–3.45 mg/g phytate, 1.36–2.26% ash, 4.95–7.95% soluble fiber, 75.95–82.24% insoluble fiber. NIR spectra showed the presence of cellulose and lignin as main components with corresponding bands. Major peak at 22–23 Å X-ray diffraction also indicated presence of cellulose crystals. Crystallinity values of 33–80% were measured. SEM images showed the microfibrillar structures present in the samples. Water and oil holding capacities (4.79–7.76 g/g and 3.44–4.19 g/g), and swelling capacities (22.44–24.55 mL/g) proved that the fibers are functional, and especially good for oil containing foods. The utilization of these new fiber sources would be important in terms of by-product valorisation. The data presented in this study may provoke further studies and/or applications of these new dietary fibers. © 2017 Elsevier Ltd
dc.identifier.doi10.1016/j.bcdf.2017.06.001
dc.identifier.endpage17
dc.identifier.issn2212-6198
dc.identifier.scopus2-s2.0-85020522212
dc.identifier.scopusqualityQ1
dc.identifier.startpage9
dc.identifier.urihttps://doi.org/10.1016/j.bcdf.2017.06.001
dc.identifier.urihttps://hdl.handle.net/20.500.12428/12702
dc.identifier.volume11
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Ltd
dc.relation.ispartofBioactive Carbohydrates and Dietary Fibre
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_Scopus_20250125
dc.subjectDietary fiber; Functional properties; Grapefruit seed; Lemon seed; Orange seed
dc.titlePhysicochemical, microstructural and functional characterization of dietary fibers extracted from lemon, orange and grapefruit seeds press meals
dc.typeArticle

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