Obtaining nettle extracts (Urtica dioica L) by means of hydrocavitation
| dc.contributor.advisor | Malagón Romero, Dionisio Humberto | |
| dc.contributor.author | Aguirre Dúran, Esteban Felipe | |
| dc.contributor.corporatename | Universidad Santo Tomás | spa |
| dc.contributor.cvlac | http://scienti.colciencias.gov.co:8081/cvlac/visualizador/generarCurriculoCv.do?cod_rh=0000167061 | |
| dc.contributor.googlescholar | https://scholar.google.es/citations?user=b0ldFjcAAAAJ&hl=es | |
| dc.contributor.orcid | https://orcid.org/0000-0003-2890-2180 | |
| dc.date.accessioned | 2021-07-22T20:03:01Z | |
| dc.date.available | 2021-07-22T20:03:01Z | |
| dc.date.issued | 2021-06-07 | |
| dc.description | La ortiga (Urtica dioica L.) se considera una gran fuente de metabolitos secundarios de interés comercial y la extracción de este tipo de metabolitos es importante para la viabilidad y escalado del proceso. Se han evaluado diferentes alternativas, incluida la extracción Soxhlet y el uso de fluidos supercríticos, principalmente a escala de laboratorio. Como enfoque innovador, la hidrocavitación ha surgido como una alternativa eficiente para extraer principios de plantas a bajas temperaturas y tiempos operativos cortos. Este trabajo presenta la extracción experimental de ß-caroteno de ortiga mediante hidrocavitación. Se utilizó etanol como disolvente a diferentes concentraciones (100%, 90%, 80% y 60%) y dos proporciones p / v soluto / disolvente (1:30 y 2:30). Se determinó la concentración de clorofila A, B, clorofilas totales (A + B), carotenos y ß-carotenos. La mejor concentración de ß-carotenos se obtuvo a razón soluto / disolvente 2:30 con etanol al 100% y un tiempo de operación de 2 minutos, correspondiente a 153,975 mg ß-carotenos / kg, con un consumo de energía de 0,7698 kJ / mg ß -caroteno extraído. Los resultados avalan la viabilidad del uso de la hidrocavitación para la obtención rápida y eficiente de extractos de ortiga a escala piloto y abren la posibilidad para el diseño de procesos a escala industrial. | spa |
| dc.description.abstract | Abstract- Stinging nettle (Urtica dioica L.) is considered a great source of secondary metabolites of commercial interest and the extraction of this kind of metabolites is important for the process viability and scale-up. Different alternatives have been evaluated, including Soxhlet extraction and the use of super critic fluids, mainly on laboratory scale. As an innovative approach, hydro-cavitation has emerged as an efficient alternative for extracting principles from plants at low temperatures and short operational times. This work presents the experimental extraction of ß-carotene from Stinging nettle employing hydro-cavitation. Ethanol was used as solvent at different concentrations (100%, 90%, 80% and 60%) and two w/v solute/solvent ratio (1:30 and 2:30). The concentration of chlorophyll A, B, total chlorophylls (A+B), carotenes, and ß-carotenes were determined. The best concentration of ß-carotenes was obtained at 2:30 solute/solvent ratio with ethanol at 100% and an operational time of 2 minutes, corresponding to 153.975 mg ß-carotenes/ kg, with a power consumption of 0.7698 kJ/mg ß-carotene extracted. The results support the viability of the use of hydro-cavitation for the rapid and efficient obtaining of Stinging nettle extracts on a pilot scale and open the possibility for the design of processes on an industrial scale. | spa |
| dc.description.degreelevel | Pregrado | spa |
| dc.description.degreename | Ingeniero Mecánico | spa |
| dc.description.domain | http://unidadinvestigacion.usta.edu.co | spa |
| dc.format.mimetype | application/pdf | |
| dc.identifier.citation | A. D. E. Felipe, N. Galeano, G. Astrid, and M. Dionisio, “Obtaining nettle extracts ( Urtica dioica L ) by means of hydrocavitation.”retroexcavadoras [Trabajo de Pregrado Ingeniería Mecanica]. Repositorio institucional. | spa |
| dc.identifier.instname | instname:Universidad Santo Tomás | spa |
| dc.identifier.reponame | reponame:Repositorio Institucional Universidad Santo Tomás | spa |
| dc.identifier.repourl | repourl:https://repository.usta.edu.co | spa |
| dc.identifier.uri | http://hdl.handle.net/11634/34996 | |
| dc.language.iso | spa | |
| dc.publisher | Universidad Santo Tomás | spa |
| dc.publisher.branch | CRAI-USTA Bogotá | spa |
| dc.publisher.faculty | Facultad de Ingeniería Mecánica | spa |
| dc.publisher.program | Pregrado Ingeniería Mecánica | spa |
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| dc.rights | Atribución-NoComercial-SinDerivadas 2.5 Colombia | |
| dc.rights.accessrights | info:eu-repo/semantics/openAccess | |
| dc.rights.coar | http://purl.org/coar/access_right/c_abf2 | |
| dc.rights.local | Abierto (Texto Completo) | spa |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/2.5/co/ | |
| dc.subject.keyword | ß-carotenes | spa |
| dc.subject.keyword | hydro-cavitation | spa |
| dc.subject.keyword | Urtica dioica L | spa |
| dc.subject.keyword | chlorophyll A | spa |
| dc.subject.keyword | chlorophyll B | spa |
| dc.subject.lemb | Extraction | spa |
| dc.subject.lemb | Stinging nettle | spa |
| dc.subject.lemb | Cavitation | spa |
| dc.subject.proposal | hydro-cavitation | spa |
| dc.subject.proposal | Urtica dioica L | spa |
| dc.subject.proposal | chlorophyll A | spa |
| dc.subject.proposal | chlorophyll B | spa |
| dc.subject.proposal | ß-carotenes | spa |
| dc.title | Obtaining nettle extracts (Urtica dioica L) by means of hydrocavitation | spa |
| dc.type | bachelor thesis | |
| dc.type.category | Formación de Recurso Humano para la Ctel: Trabajo de grado de Pregrado | spa |
| dc.type.coar | http://purl.org/coar/resource_type/c_7a1f | |
| dc.type.coarversion | http://purl.org/coar/version/c_ab4af688f83e57aa | |
| dc.type.drive | info:eu-repo/semantics/bachelorThesis | |
| dc.type.local | Tesis de pregrado | spa |
| dc.type.version | info:eu-repo/semantics/acceptedVersion |
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