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Please use this identifier to cite or link to this item: http://hdl.handle.net/1843/59324
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dc.creatorNúbia Angélica de Ávila Branquinhopt_BR
dc.creatorFabiano Guimarães Silvapt_BR
dc.creatorOsvaldo Resendept_BR
dc.creatorLuiz Cláudio de Almeida Barbosapt_BR
dc.creatorDaniel Emanuel Cabral de Oliveirapt_BR
dc.creatorRita Cássia Nascimento Pedrosopt_BR
dc.date.accessioned2023-10-09T23:05:17Z-
dc.date.available2023-10-09T23:05:17Z-
dc.date.issued2018-
dc.citation.volume10pt_BR
dc.citation.issue4pt_BR
dc.citation.spage96pt_BR
dc.citation.epage103pt_BR
dc.identifier.doihttps://doi.org/10.5539/jas.v10n4p96pt_BR
dc.identifier.issn1916-9760pt_BR
dc.identifier.urihttp://hdl.handle.net/1843/59324-
dc.description.resumoThe present study assessed the effects of drying at different temperatures (35, 45 and 55 °C) and air velocities (1 and 2 m s-1) on the content and chemical characteristics of Hyptis pectinata essential oil. Drying was conducted in a fixed-bed dryer, and the temperatures and air velocities were controlled and recorded by an automated system. A 350±0.12 g quantity of fresh leaves was used for each of the four repetitions in each dryer. From the material obtained after drying, 60 g of each repetition was used to extract essential oil by the hydrodistillation method. Dichloromethane was used as the solvent, and anhydrous sodium sulfate was used as the desiccating agent. Gas chromatography in the forms of GC-MS and GC-FID were used for the chemical characterization of the essential oil compounds. Decreasing drying times and decreasing concentrations of essential oils were observed with increasing temperatures. A GC-MS analysis of the essential oil from H. pectinata leaves led to the identification of 19 compounds. A sesquiterpene called caryophyllene oxide was the most abundant compound under all drying conditions, with the highest concentration at a temperature of 55 °C, ranging from approximately 42 to 53%.pt_BR
dc.format.mimetypepdfpt_BR
dc.languageengpt_BR
dc.publisherUniversidade Federal de Minas Geraispt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentICX - DEPARTAMENTO DE QUÍMICApt_BR
dc.publisher.initialsUFMGpt_BR
dc.relation.ispartofJournal of Agricultural Sciencept_BR
dc.rightsAcesso Abertopt_BR
dc.subjectCaryophyllene oxidept_BR
dc.subjectGas chromatographypt_BR
dc.subjectHydrodistillationpt_BR
dc.subjectTerpenespt_BR
dc.subject.otherTerpenospt_BR
dc.subject.otherCromatografia a gáspt_BR
dc.titleInfluence of Drying in Hyptis pectinata Essential Oilpt_BR
dc.typeArtigo de Periódicopt_BR
dc.url.externahttps://www.ccsenet.org/journal/index.php/jas/article/view/72610pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-5395-9608pt_BR
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