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Assessment of the Quality, Bioactive Compounds, and Antimicrobial Activity of Egyptian, Ethiopian, and Syrian Black Cumin Oils

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cris.virtual.author-orcid0000-0002-3681-153X
cris.virtual.author-orcid0000-0002-0529-3725
cris.virtual.author-orcid0000-0001-6343-332X
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cris.virtualsource.author-orcid5d8013d7-489f-4858-b60d-ae1f299fa0a1
cris.virtualsource.author-orcida4043375-ad34-47db-b06a-c0b221cf8d5b
cris.virtualsource.author-orcid307551d0-aa67-4ae6-b57b-fb099d8300e7
dc.abstract.enBackground: The oils obtained from the seeds of Nigella sativa, also named black cumin, are rich in bioactive compounds that strengthen immunity and support human health. This study aimed to compare Nigella sativa oils pressed from Egyptian (Eg-NSSO), Ethiopian (Et-NSSO), and Syrian (Sy-NSSO) seeds. Methods: The analyzed oils were obtained from a local company. The content of phenolic compounds, tocochromanols, phytosterols, volatile compounds, triglycerides, and fatty acids composition was determined using chromatographic methods. The oxidative stability was determined by Rancimat technique as well as the determination of DPPH and ABTS scavenging activity. As an assessment of bioactivity, the antimicrobial and anti-aflatoxigenic properties of oils were evaluated. Results: Ethiopian oil had highest content of phenolic compounds, flavonoids, phytosterols, and tocochromanols and was characterized by the longest induction period (IP = 7.89 h). The share of thymoquinone was the highest in Ethiopian oil (34.84%), followed by Egyptian (27.36%), then Syrian (22.59%). Ethiopian oil recorded a high antibacterial activity, while Egyptian oil showed a unique antifungal activity against toxigenic fungi. Aflatoxins’ secretion into liquid medium containing NSSO was reduced, especially with Egyptian oil.
dc.affiliationWydział Nauk o Żywności i Żywieniu
dc.affiliation.instituteKatedra Biochemii i Analizy Żywności
dc.affiliation.instituteKatedra Technologii Żywności Pochodzenia Roślinnego
dc.contributor.authorAbdel-Razek, Adel Gabr
dc.contributor.authorHassanein, Minar Mahmoud M.
dc.contributor.authorMoawad, Shimaa
dc.contributor.authorFarouk, Amr
dc.contributor.authorBadr, Ahmed Noah
dc.contributor.authorShehata, Mohamed Gamal
dc.contributor.authorSiger, Aleksander
dc.contributor.authorGrygier, Anna
dc.contributor.authorRudzińska, Magdalena
dc.date.access2025-02-12
dc.date.accessioned2025-02-12T07:43:16Z
dc.date.available2025-02-12T07:43:16Z
dc.date.copyright2024-10-22
dc.date.issued2024
dc.description.abstract<jats:p>Background: The oils obtained from the seeds of Nigella sativa, also named black cumin, are rich in bioactive compounds that strengthen immunity and support human health. This study aimed to compare Nigella sativa oils pressed from Egyptian (Eg-NSSO), Ethiopian (Et-NSSO), and Syrian (Sy-NSSO) seeds. Methods: The analyzed oils were obtained from a local company. The content of phenolic compounds, tocochromanols, phytosterols, volatile compounds, triglycerides, and fatty acids composition was determined using chromatographic methods. The oxidative stability was determined by Rancimat technique as well as the determination of DPPH and ABTS scavenging activity. As an assessment of bioactivity, the antimicrobial and anti-aflatoxigenic properties of oils were evaluated. Results: Ethiopian oil had highest content of phenolic compounds, flavonoids, phytosterols, and tocochromanols and was characterized by the longest induction period (IP = 7.89 h). The share of thymoquinone was the highest in Ethiopian oil (34.84%), followed by Egyptian (27.36%), then Syrian (22.59%). Ethiopian oil recorded a high antibacterial activity, while Egyptian oil showed a unique antifungal activity against toxigenic fungi. Aflatoxins’ secretion into liquid medium containing NSSO was reduced, especially with Egyptian oil.</jats:p>
dc.description.bibliographyil., bibliogr.
dc.description.financeother
dc.description.financecost6894,89
dc.description.if4,2
dc.description.number21
dc.description.points140
dc.description.versionfinal_published
dc.description.volume29
dc.identifier.doi10.3390/molecules29214985
dc.identifier.issn1420-3049
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/2470
dc.identifier.weblinkhttps://www.mdpi.com/1420-3049/29/21/4985
dc.languageen
dc.relation.ispartofMolecules
dc.relation.pagesart. 4985
dc.rightsCC-BY
dc.sciencecloudsend
dc.share.typeOPEN_JOURNAL
dc.subject.enNigella sativa oil
dc.subject.enphytochemicals
dc.subject.enantibacterial activity
dc.subject.enantifungial activity
dc.subject.enanti-aflatoxigenic impact
dc.subject.languageen
dc.titleAssessment of the Quality, Bioactive Compounds, and Antimicrobial Activity of Egyptian, Ethiopian, and Syrian Black Cumin Oils
dc.title.volumeSpecial Issue: New Insight into Edible Oil: From Food Chemistry to Health Benefits
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.issue21
oaire.citation.volume29