Efficacy of rosemary (Rosmarinus officinalis L.) powder and extracts in the protection of refined and stripped hazelnut oil

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dc.authorid0000-0002-1005-3590en_US
dc.authorid0000-0002-5431-8503en_US
dc.authorid0000-0002-8642-9160en_US
dc.contributor.authorTohma, Serdar
dc.contributor.authorKöroğlu, Deniz Günal
dc.contributor.authorTuran, Semra
dc.contributor.authorRamadan, Mohamed Fawzy
dc.date.accessioned2023-06-21T07:56:42Z
dc.date.available2023-06-21T07:56:42Z
dc.date.issued2021en_US
dc.departmentBAİBÜ, Mühendislik Fakültesi, Gıda Mühendisliği Bölümüen_US
dc.descriptionThe study was supported by Bolu Abant Izzet Baysal University Scientific Research Center with the project number of BAP 2011.02.02.412. The authors would like to thank Bolu Abant Izzet Baysal University YENIGIDAM Research Center for DSC usage.en_US
dc.description.abstractIn this study, the antioxidant activity of rosemary (Rosmarinus officinalis L.) extracts or dried rosemary on the oxidative stability of hazelnut oil and its purified triacylglycerols (TAGs) was investigated. The antioxidant activities of rosemary extracts tested using different methods were similar to BHT and alpha-tocopherol at 0.25-20 mg/mL. Induction period (IP) is the time at which the onset of oxidation occurred was determined using differential scanning calorimeter (DSC) at 150 degrees C under oxygen pressure. The induction periods of hazelnut oils containing rosemary extracts (0.25-2.0 mg/g) and/or dried rosemary (10-200 mg/g) were higher than that of control at 150 degrees C, and their protection factors were in the range of 1.3 and 2.2. The induction period of hazelnut oil TAGs was 3.93 min, while those of TAGs containing rosemary methanol extracts at 1 mg/g or dried rosemary at 50 mg/g were 21.46 min and 27.19 min, respectively. According to the accelerated oxidation test at 60 degrees C, peroxide value, K-232, and K-268 values of hazelnut oil with rosemary extracts or dried rosemary were lower than those of control. Dried rosemary at 50 mg/g was the most effective supplement in hazelnut oil protection against oxidation. In conclusion, both dried rosemary and its alcohol extracts could be used to increase oxidative stability of hazelnut oil.en_US
dc.identifier.citationTohma, S., Günal-Köroğlu, D., Turan, S., & Ramadan, M. F. (2021). Efficacy of rosemary (Rosmarinus officinalis L.) powder and extracts in the protection of refined and stripped hazelnut oil. Rendiconti Lincei. Scienze Fisiche e Naturali, 32(3), 585-598.en_US
dc.identifier.doi10.1007/s12210-021-01002-3
dc.identifier.endpage598en_US
dc.identifier.issn2037-4631
dc.identifier.issn1720-0776
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-85106464343en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage585en_US
dc.identifier.urihttp://dx.doi.org/10.1007/s12210-021-01002-3
dc.identifier.urihttps://hdl.handle.net/20.500.12491/11163
dc.identifier.volume32en_US
dc.identifier.wosWOS:000654425200001en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorTohma, Serdar
dc.institutionauthorKöroğlu, Deniz Günal
dc.institutionauthorTuran, Semra
dc.language.isoenen_US
dc.publisherSPRINGER-VERLAG ITALIA SRLen_US
dc.relation.ispartofRendiconti Lincei-Scienze Fisiche e Naturalien_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectTriacylglycerolsen_US
dc.subjectStripped Oilen_US
dc.subjectAntioxidant Activityen_US
dc.subjectInduction Perioden_US
dc.subjectAccelerated Oxidation Testen_US
dc.subjectNigella-Sativa Len_US
dc.titleEfficacy of rosemary (Rosmarinus officinalis L.) powder and extracts in the protection of refined and stripped hazelnut oilen_US
dc.typeArticleen_US

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