Chemical Composition, Bioactivities and Kinematic Viscosity of Cucurbita argyrosperma Seed Oil

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dc.creatorPedro R. E. Ribeiro
dc.creatorVanessa S. Souza
dc.creatorAna Cristina G. Reis de Melo
dc.creatorAgenor T. M. Neto
dc.creatorRicardo Carvalho Dos Santos
dc.creatorJacqueline Aparecida Takahashi
dc.creatorVany P. Ferraz
dc.creatorAntonio A. de Melo Filho
dc.date.accessioned2023-10-11T22:13:24Z
dc.date.accessioned2025-09-08T23:07:08Z
dc.date.available2023-10-11T22:13:24Z
dc.date.issued2018-05-01
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.3303/CET1864037
dc.identifier.issn2283-9216
dc.identifier.urihttps://hdl.handle.net/1843/59426
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofChemical Engineering Transactions
dc.rightsAcesso Aberto
dc.subjectQuímica
dc.subjectSementes
dc.subjectAngiosperma
dc.subjectÓleo - Indústria
dc.subject.otherQuímica
dc.subject.otherSementes
dc.subject.otherAngiosperma
dc.titleChemical Composition, Bioactivities and Kinematic Viscosity of Cucurbita argyrosperma Seed Oil
dc.typeArtigo de periódico
local.citation.epage222
local.citation.spage217
local.citation.volume64
local.description.resumoThe aims of this study were to perform a detailed analysis of the chemical composition by gas chromatography, cinematic viscosity in function of temperature by viscometer Schott AVS 350, and biological tests of abóbora (Cucurbita argyrosperma) seed oil, collected in Mucajai city, Roraima state, Brazil. Thus, the abóbora seed samples were manually submitted to the oven at 50 °C for 72 hours, and crushed and sieved between 20-40 Mesh. The seed oil extraction was carried out in a Soxhlet apparatus with hexane for 3 hours, providing an oil yield of 29.8%. In the results were identified a total of 8 fatty acids by gas chromatography; of these 33.8% are saturated fatty acids and 65.7% are unsaturated fatty acids: palmitic (21.5%), stearic (11.6%), oleic (37.0%), linoleic (28.1%) and linolenic (0.3%). In the biological test, the oil was more active against Staphylococcus aureus (29.01%), Listeria monocytogenes (34.56%), Pseudomonas aeruginosa (23.86%) and Citrobacter freundii (32.74%), which features a characteristic low therapeutic index for these bacteria. The kinematic viscosity of the oil reduces in function of temperature (298.15 to 353.15 K) in an exponential curve, demonstrating to refer to a Newtonian fluid.
local.identifier.orcidhttps://orcid.org/0000-0001-8930-8869
local.publisher.countryBrasil
local.publisher.departmentICX - DEPARTAMENTO DE QUÍMICA
local.publisher.initialsUFMG
local.url.externahttps://www.cetjournal.it/index.php/cet/article/view/CET1864037

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