Published date: Aug 10 2022

Journal Title: KnE Materials Science

Issue title: 1st International FibEnTech Congress (FibEnTech21) – New Opportunities for Fibrous Materials in the Ecological Transition

Pages: 72–79

DOI: 10.18502/kms.v7i1.11610

Sofia Silvasofia.joia.silva@ubi.ptDepartament of Chemistry, University of Beira Interior, Rua Marquês d’Ávila e Bolama, 6201-001, Covilhã, Portugal

Jasmine BarataChemical and Engineer Department, Universidad de Lorraine, 54601 Villers Les Nancy Cedex, France

Violeta LopesBanco Português de Germoplasma Vegetal, INIAV, I.P., Quinta de S. José, S. Pedro de Merelim, 4700-859, Braga, Portugal

Ana BarataBanco Português de Germoplasma Vegetal, INIAV, I.P., Quinta de S. José, S. Pedro de Merelim, 4700-859, Braga, Portugal

Arlindo GomesDepartament of Chemistry, University of Beira Interior, Rua Marquês d’Ávila e Bolama, 6201-001, Covilhã, Portugal

Lúcia SilvaDepartament of Chemistry, University of Beira Interior, Rua Marquês d’Ávila e Bolama, 6201-001, Covilhã, Portugal

Ana Luísa FernandoMEtRICs, Department of Science and Technology of Biomass (DCTB), NOVA School of Science and Technology, New University of Lisbon, Campus de Caparica, 2829-516 Caparica, Portugal

This study focused on five different subspecies of Portuguese Daucus carota L., to identify the main compounds in the essential oils of umbels from each subspecies. The isolation of the essential oils was performed by hydrodistillation methods followed by further composition analysis by gas chromatography-mass spectrometry, ultimately demonstrating that each subspecies had different major compounds. This study concluded that the main compounds found in Daucus carota subsp. maritimus were geranyl acetate, followed by trans-methyl-isoeugenol, α-pinene, cis-asarone and elemicin. Daucus carota subsp. hispidus presented with the major compounds as geranyl acetate, caryophyllene oxide, trans-methyl-isoeugenol and sabinene. For Daucus carota subsp. maximus, the major compounds were cis-asarone, geranyl acetate and elemicin, which was similar to Daucus carota subsp. carota which presented with the major compounds as geranyl acetate, cis-asarone, trans-methylisoeugenol and α-pinene. Finally, the major components of Daucus carota subsp. sativus were carotol and daucol.

Keywords: essential oils, chemical composition, Daucus carota, hydrodistillation, GC-MS

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