Effect of drying methods on physical and chemical properties of Ilex guayusa leaves
The influence of air-drying (AD), convection oven (CO) and solar drying (SOD) on the physical and chemical properties of Ilex guayusa leaves is discussed. Total ash (%), acid-insoluble ash (%), watersoluble ash (%), residual moisture (%) and caffeine content (%) were estimated. Additionally, alkaloi...
- Autores:
-
Manzano Santana, Patricia
Quijano-Avilés, María
Chóez-Guaranda, Ivan
Barragán Lucas, Ana
Viteri Espinoza, Rafael
Martínez, Daysi
Camacho, Cinthia
Miranda Martinez, Migdalia
- Tipo de recurso:
- Article of journal
- Fecha de publicación:
- 2018
- Institución:
- Universidad Nacional de Colombia
- Repositorio:
- Universidad Nacional de Colombia
- Idioma:
- spa
- OAI Identifier:
- oai:repositorio.unal.edu.co:unal/65947
- Acceso en línea:
- https://repositorio.unal.edu.co/handle/unal/65947
http://bdigital.unal.edu.co/66970/
- Palabra clave:
- 63 Agricultura y tecnologías relacionadas / Agriculture
Ilex guayusa
Caffeine
Air drying
Conventional oven
Solar drying
Ilex guayusa
Cafeína
Secado al aire
Horno convencional
Secado solar
- Rights
- openAccess
- License
- Atribución-NoComercial 4.0 Internacional
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| dc.title.spa.fl_str_mv |
Effect of drying methods on physical and chemical properties of Ilex guayusa leaves |
| title |
Effect of drying methods on physical and chemical properties of Ilex guayusa leaves |
| spellingShingle |
Effect of drying methods on physical and chemical properties of Ilex guayusa leaves 63 Agricultura y tecnologías relacionadas / Agriculture Ilex guayusa Caffeine Air drying Conventional oven Solar drying Ilex guayusa Cafeína Secado al aire Horno convencional Secado solar |
| title_short |
Effect of drying methods on physical and chemical properties of Ilex guayusa leaves |
| title_full |
Effect of drying methods on physical and chemical properties of Ilex guayusa leaves |
| title_fullStr |
Effect of drying methods on physical and chemical properties of Ilex guayusa leaves |
| title_full_unstemmed |
Effect of drying methods on physical and chemical properties of Ilex guayusa leaves |
| title_sort |
Effect of drying methods on physical and chemical properties of Ilex guayusa leaves |
| dc.creator.fl_str_mv |
Manzano Santana, Patricia Quijano-Avilés, María Chóez-Guaranda, Ivan Barragán Lucas, Ana Viteri Espinoza, Rafael Martínez, Daysi Camacho, Cinthia Miranda Martinez, Migdalia |
| dc.contributor.author.spa.fl_str_mv |
Manzano Santana, Patricia Quijano-Avilés, María Chóez-Guaranda, Ivan Barragán Lucas, Ana Viteri Espinoza, Rafael Martínez, Daysi Camacho, Cinthia Miranda Martinez, Migdalia |
| dc.subject.ddc.spa.fl_str_mv |
63 Agricultura y tecnologías relacionadas / Agriculture |
| topic |
63 Agricultura y tecnologías relacionadas / Agriculture Ilex guayusa Caffeine Air drying Conventional oven Solar drying Ilex guayusa Cafeína Secado al aire Horno convencional Secado solar |
| dc.subject.proposal.spa.fl_str_mv |
Ilex guayusa Caffeine Air drying Conventional oven Solar drying Ilex guayusa Cafeína Secado al aire Horno convencional Secado solar |
| description |
The influence of air-drying (AD), convection oven (CO) and solar drying (SOD) on the physical and chemical properties of Ilex guayusa leaves is discussed. Total ash (%), acid-insoluble ash (%), watersoluble ash (%), residual moisture (%) and caffeine content (%) were estimated. Additionally, alkaloids,flavonoids, reducing sugars, saponins, steroids, quinones, fats, phenols and tannins detection of dry leaves extracts were assessed. The results revealed that parameters of physical analysis were not affected by the drying techniques. The highest amount of secondary metabolites in ethanol andaqueous extracts were detected. In general, convection oven dried leaves showed the highest caffeine content (3.71%) and the lowest drying time (13 h) compared to other drying methods. The results revealed a fast method to dry Ilex guayusa leaves and indicate that this species possess a variety of bioactive compounds beneficial for health. Our results revealed an effective quick method to dry Ilex guayusa leaves without altering the content of beneficial bioactive components. |
| publishDate |
2018 |
| dc.date.issued.spa.fl_str_mv |
2018-09-01 |
| dc.date.accessioned.spa.fl_str_mv |
2019-07-03T01:12:34Z |
| dc.date.available.spa.fl_str_mv |
2019-07-03T01:12:34Z |
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Artículo de revista |
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http://purl.org/coar/resource_type/c_2df8fbb1 |
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info:eu-repo/semantics/article |
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info:eu-repo/semantics/publishedVersion |
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http://purl.org/coar/resource_type/c_6501 |
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http://purl.org/coar/version/c_970fb48d4fbd8a85 |
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Text |
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http://purl.org/redcol/resource_type/ART |
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http://purl.org/coar/resource_type/c_6501 |
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publishedVersion |
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ISSN: 2248-7026 |
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https://repositorio.unal.edu.co/handle/unal/65947 |
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http://bdigital.unal.edu.co/66970/ |
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ISSN: 2248-7026 |
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https://repositorio.unal.edu.co/handle/unal/65947 http://bdigital.unal.edu.co/66970/ |
| dc.language.iso.spa.fl_str_mv |
spa |
| language |
spa |
| dc.relation.spa.fl_str_mv |
https://revistas.unal.edu.co/index.php/refame/article/view/71667 |
| dc.relation.ispartof.spa.fl_str_mv |
Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín Revista Facultad Nacional de Agronomía Medellín |
| dc.relation.references.spa.fl_str_mv |
Manzano Santana, Patricia and Quijano-Avilés, María and Chóez-Guaranda, Ivan and Barragán Lucas, Ana and Viteri Espinoza, Rafael and Martínez, Daysi and Camacho, Cinthia and Miranda Martinez, Migdalia (2018) Effect of drying methods on physical and chemical properties of Ilex guayusa leaves. Revista Facultad Nacional de Agronomía Medellín, 71 (3). pp. 8617-8622. ISSN 2248-7026 |
| dc.rights.spa.fl_str_mv |
Derechos reservados - Universidad Nacional de Colombia |
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http://purl.org/coar/access_right/c_abf2 |
| dc.rights.license.spa.fl_str_mv |
Atribución-NoComercial 4.0 Internacional |
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http://creativecommons.org/licenses/by-nc/4.0/ |
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info:eu-repo/semantics/openAccess |
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Atribución-NoComercial 4.0 Internacional Derechos reservados - Universidad Nacional de Colombia http://creativecommons.org/licenses/by-nc/4.0/ http://purl.org/coar/access_right/c_abf2 |
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openAccess |
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Universidad Nacional de Colombia - Sede Medellín - Facultad de Ciencias Agrarias |
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repositorio_nal@unal.edu.co |
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1814089646922006528 |
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Atribución-NoComercial 4.0 InternacionalDerechos reservados - Universidad Nacional de Colombiahttp://creativecommons.org/licenses/by-nc/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Manzano Santana, Patricia68ec029c-ce64-437a-b457-e7d4d0961957300Quijano-Avilés, María85649809-7052-4480-9a2b-1290f6bbfbc4300Chóez-Guaranda, Ivan6a784b7f-e67e-46a4-b59f-cccf9c47a687300Barragán Lucas, Ana609eb023-7abb-4cf3-8d0c-f10bb21d58d6300Viteri Espinoza, Rafael97926def-0259-4adf-97a0-d0f154ad2437300Martínez, Daysida9dffbe-6c0c-4d6a-a7ef-e24badbc413a300Camacho, Cinthia22a40941-ab68-4870-90ce-39c798203e3f300Miranda Martinez, Migdaliafe9dede1-e8f2-4f17-b45c-0880ce73a8b33002019-07-03T01:12:34Z2019-07-03T01:12:34Z2018-09-01ISSN: 2248-7026https://repositorio.unal.edu.co/handle/unal/65947http://bdigital.unal.edu.co/66970/The influence of air-drying (AD), convection oven (CO) and solar drying (SOD) on the physical and chemical properties of Ilex guayusa leaves is discussed. Total ash (%), acid-insoluble ash (%), watersoluble ash (%), residual moisture (%) and caffeine content (%) were estimated. Additionally, alkaloids,flavonoids, reducing sugars, saponins, steroids, quinones, fats, phenols and tannins detection of dry leaves extracts were assessed. The results revealed that parameters of physical analysis were not affected by the drying techniques. The highest amount of secondary metabolites in ethanol andaqueous extracts were detected. In general, convection oven dried leaves showed the highest caffeine content (3.71%) and the lowest drying time (13 h) compared to other drying methods. The results revealed a fast method to dry Ilex guayusa leaves and indicate that this species possess a variety of bioactive compounds beneficial for health. Our results revealed an effective quick method to dry Ilex guayusa leaves without altering the content of beneficial bioactive components.En este trabajo se discute la influencia del secado al aire (AD), el horno de convección (CO) y el secado solar (SOD) sobre las propiedades físicas y químicas de las hojas de Ilex guayusa. Seestimaron las cenizas totales (%), las cenizas insolubles en ácido (%), las cenizas solubles en agua (%), la humedad residual (%) y el contenido de cafeína (%). Además, se analizó la presencia los alcaloides, flavonoides, azúcares reductores, saponinas, esteroides, quinonas, grasas, fenoles y taninos en extractos de hojas secas. Los resultados revelaron que los parámetros del análisis físico no se vieron afectados por las técnicas de secado. La mayor cantidad de metabolitos secundarios se detectó en el extracto etanólico y acuoso. En general, las hojas secadas al horno de convección mostraron el mayor contenido de cafeína (3,71%) y el menor tiempo de secado (13 h) en comparación con los otros métodos de secado empleados. Los resultados obtenidos revelaron un método rápido para secar hojas de Ilex guayusa sin alterar el contenido de componentes bioactivos beneficiosos para la salud, estudios que no han sido reportados.As folhas de Ilex guayusa são fonte de uma grande variedade de compostos bioativos de grande benefício para a saúde. O efeito de três métodos de secagem, como secagem ao ar, forno convencional e secagem solar, nas propriedades físicas e químicas, umidade, cinzas, cinzas solúveis em água e insolúvel em ácido e teor de cafeína em folhas de Ilex guayusa foi investigado. Os resultados mostraram que não houve diferenças significativas que afetassem as propriedades físicas. O método de secagem em forno convencional mostrou um teor de cafeína (3,71%) ligeiramente superior à secagem ao ar e à secagem solar. As famílias de compostos presentes foram alcalóides, flavonóides, fenóis, taninos e açúcares redutores. Não houve diferenças significativas entre os três métodos, o método do forno convencional mostrou o menor tempo de secagem e a maior concentração de cafeína.application/pdfspaUniversidad Nacional de Colombia - Sede Medellín - Facultad de Ciencias Agrariashttps://revistas.unal.edu.co/index.php/refame/article/view/71667Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía MedellínRevista Facultad Nacional de Agronomía MedellínManzano Santana, Patricia and Quijano-Avilés, María and Chóez-Guaranda, Ivan and Barragán Lucas, Ana and Viteri Espinoza, Rafael and Martínez, Daysi and Camacho, Cinthia and Miranda Martinez, Migdalia (2018) Effect of drying methods on physical and chemical properties of Ilex guayusa leaves. Revista Facultad Nacional de Agronomía Medellín, 71 (3). pp. 8617-8622. ISSN 2248-702663 Agricultura y tecnologías relacionadas / AgricultureIlex guayusaCaffeineAir dryingConventional ovenSolar dryingIlex guayusaCafeínaSecado al aireHorno convencionalSecado solarEffect of drying methods on physical and chemical properties of Ilex guayusa leavesArtículo de revistainfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1http://purl.org/coar/version/c_970fb48d4fbd8a85Texthttp://purl.org/redcol/resource_type/ARTORIGINAL71667-396106-1-PB.pdfapplication/pdf251454https://repositorio.unal.edu.co/bitstream/unal/65947/1/71667-396106-1-PB.pdfb769f80cf96f8006065a806e50a94656MD51THUMBNAIL71667-396106-1-PB.pdf.jpg71667-396106-1-PB.pdf.jpgGenerated Thumbnailimage/jpeg7730https://repositorio.unal.edu.co/bitstream/unal/65947/2/71667-396106-1-PB.pdf.jpg48dcf9109016616e44b8ad0b116550c6MD52unal/65947oai:repositorio.unal.edu.co:unal/659472023-05-21 23:14:19.25Repositorio Institucional Universidad Nacional de Colombiarepositorio_nal@unal.edu.co |