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Chemical composition and antibacterial and antioxidant activity of a citrus essential oil and its fractions

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dc.contributor.author Ambrosio C.M.S. es_PE
dc.contributor.author Diaz-Arenas G.L. es_PE
dc.contributor.author Agudelo L.P.A. es_PE
dc.contributor.author Stashenko E. es_PE
dc.contributor.author Contreras-Castillo C.J. es_PE
dc.contributor.author da Gloria E.M. es_PE
dc.date.accessioned 2024-05-30T23:13:38Z
dc.date.available 2024-05-30T23:13:38Z
dc.date.issued 2021
dc.description Acknowledgments: The authors are grateful to CIENCIACTIVA from the “Consejo Nacional de Ciencia, Tecnología e Inovación Tecnológica” (CONCYTEC, Peru; Contract 278-2015-FONDECYT) and to the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES, Brazil) for Carmen M.S. Ambrosio Ph.D. scholarship. The current manuscript is part of the doctoral thesis (10.11606/T.11.2020.tde-18052020-151325) authored by Carmen M.S. Ambrosio at University of São Paulo.
dc.description.abstract Essential oils (EOs) from Citrus are the main by-product of Citrus-processing industries. In addition to food/beverage and cosmetic applications, citrus EOs could also potentially be used as an alternative to antibiotics in food-producing animals. A commercial citrus EO—Brazilian Orange Terpenes (BOT)—was fractionated by vacuum fractional distillation to separate BOT into various fractions: F1, F2, F3, and F4. Next, the chemical composition and biological activities of BOT and its fractions were characterized. Results showed the three first fractions had a high relative amount of limonene (≥10.86), even higher than the whole BOT. Conversely, F4 presented a larger relative amount of BOT’s minor compounds (carvone, cis-carveol, trans-carveol, cis-p-Mentha-2,8-dien-1-ol, and trans-p-Mentha-2,8-dien-1-ol) and a very low relative amount of limonene (0.08–0.13). Antibacterial activity results showed F4 was the only fraction exhibiting this activity, which was selective and higher activity on a pathogenic bacterium (E. coli) than on a beneficial bacterium (Lactobacillus sp.). However, F4 activity was lower than BOT. Similarly, F4 displayed the highest antioxidant activity among fractions (equivalent to BOT). These results indicated that probably those minor compounds that detected in F4 would be more involved in conferring the biological activities for this fraction and consequently for the whole BOT, instead of the major compound, limonene, playing this role exclusively. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
dc.description.sponsorship Fondo Nacional de Desarrollo Científico y Tecnológico - Fondecyt
dc.identifier.doi https://doi.org/10.3390/molecules26102888
dc.identifier.scopus 2-s2.0-85106651399
dc.identifier.uri https://hdl.handle.net/20.500.12390/2979
dc.language.iso eng
dc.publisher MDPI AG
dc.relation.ispartof Molecules
dc.rights info:eu-repo/semantics/openAccess
dc.rights.uri https://creativecommons.org/licenses/by/4.0/
dc.subject Limonene
dc.subject Carvone es_PE
dc.subject Cis/trans-carveol es_PE
dc.subject E. coli es_PE
dc.subject Fractional distillation es_PE
dc.subject.ocde https://purl.org/pe-repo/ocde/ford#2.04.01
dc.title Chemical composition and antibacterial and antioxidant activity of a citrus essential oil and its fractions
dc.type info:eu-repo/semantics/article
dspace.entity.type Publication
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