Effect of Natural Clays on Color and Physico-Chemical Properties of Model Oil

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dc.contributor.authorDemir, Didem
dc.contributor.authorGün, Zeynep
dc.contributor.authorYılmaz, Emin
dc.date.accessioned2025-01-27T18:59:04Z
dc.date.available2025-01-27T18:59:04Z
dc.date.issued2022
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe objective of this study was to compare the color removal capacities of 9 natural clays and 2 commercial bleaching earths (C.B.E.) for beta carotene and chlorophyll pigments added model oil. Halloysite, zeolite, bentonite, sepiolite, diatom earth, Magnesol XL, kaolin, montmorillonite and perlite were added at 0.5% weight ratio into model oil and mixed for 30 min at 80°C, before filtering and analyzing for instrumental color, oil loss, free fatty acidity, acid number and peroxide values. The total color difference (?E) for beta carotene were highest with 2.3, 2.1, and 1.8 for C.B.E.-1, C.B.E.-2 and halloysite treated samples. In this group, weight loss was minimum at 22.1% for bentonite, and maximum at 45.3% for perlit treatments. Also, free fatty acidity (FFA) was reduced at most (7.7%) with Magnesol XL treatment. Similarly, C.B.E.-1 and sepiolite treated samples yielded 0, and kaolin treated sample yielded 79.1 meqO2/kg oil peroxide values (PV). In this group, sepiolite and Magnesol XL were the most successful clays. In chlorophyll added samples, the color was most successfully removed by sepiolite (?E=6.2). The maximum weight loss (52.9%) was with perlit, and the minimum was (23.5%) with bentonite treated samples. FFA was reduced at most (5.9%) with Magnesol XL, and PV was lowered at most (0 meqO2/kg oil) with C.B.E.-2 and zeolite clays. In this group, bentonite and Magnesol XL were most successful. Halloysite, which was not studied for this purpose, had generally good results. For all clays, acid activation, grinding, preparing as nano clays, and sonication were suggested as modification techniques. © 2022 Sidas Medya A.S. All rights reserved.
dc.identifier.doi10.24323/akademik-gida.1149862
dc.identifier.endpage169
dc.identifier.issn1304-7582
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85138013684
dc.identifier.scopusqualityQ4
dc.identifier.startpage161
dc.identifier.trdizinid1145070
dc.identifier.urihttps://doi.org/10.24323/akademik-gida.1149862
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/1145070
dc.identifier.urihttps://hdl.handle.net/20.500.12428/13138
dc.identifier.volume20
dc.indekslendigikaynakScopus
dc.indekslendigikaynakTR-Dizin
dc.language.isotr
dc.publisherSidas Medya A.S.
dc.relation.ispartofAkademik Gida
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_Scopus_20250125
dc.subjectAdsorption; Beta carotene; Chlorophyll; Model oil; Natural clay
dc.titleEffect of Natural Clays on Color and Physico-Chemical Properties of Model Oil
dc.title.alternativeDoğal Killerin Model Yağın Renk ve Fiziko-kimyasal Özellikleri Üzerine Etkisi
dc.typeArticle

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