Impact of ultraviolet B radiation applications on some secondary metabolites in thyme (Thymus vulgaris L.)

The impact of ultraviolet radiation B (UV-B) applications on the production of secondary metabolites, such as phenols, flavonoids and anthocyanins, in thyme plants was studied. The stems, leaves and flowers were subjected to an experiment design that had a 4´2 factorial arrangement, evaluating: dose...

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Main Authors:	Ramírez-Alvarado, Rafael Andrés, Herrera-Arévalo, Aníbal Orlando, Ortiz-Rojas, Yamid, Pérez-Rodríguez, Claudia Patricia
Format:	Online
Language:	eng
Published:	Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC 2020
Subjects:	Lamiaceae Post-harvest technology Elicitor Phenolic compounds Phenylpropanoids Plant metabolites Tecnología poscosecha Inductores Compuestos fenólicos Fenil propanoides Metabolitos de plantas
Online Access:	https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/12082
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author	Ramírez-Alvarado, Rafael Andrés Herrera-Arévalo, Aníbal Orlando Ortiz-Rojas, Yamid Pérez-Rodríguez, Claudia Patricia
author_facet	Ramírez-Alvarado, Rafael Andrés Herrera-Arévalo, Aníbal Orlando Ortiz-Rojas, Yamid Pérez-Rodríguez, Claudia Patricia
author_sort	Ramírez-Alvarado, Rafael Andrés
collection	OJS
description	The impact of ultraviolet radiation B (UV-B) applications on the production of secondary metabolites, such as phenols, flavonoids and anthocyanins, in thyme plants was studied. The stems, leaves and flowers were subjected to an experiment design that had a 4´2 factorial arrangement, evaluating: dose UV-B radiation (0.05 and 0.075 Wh m-2), sampling points (75 days after transplanting [cut-off point] and 92 days after transplanting [full flowering] according to the BBCH scale), adaptation time (24 and 49 hours) and extraction matrices of plant material (fresh and dried). The experiment unit corresponded to matrices from Thymus vulgaris L. (C.N. thyme) plants. Ten extractions were done per treatment, and a chemical analysis test were performed in triplicate. The extraction was done with a modified Randall method. The results showed that the application of UV-B radiation at a dose of 0.075 Wh m-2 increased the concentration of secondary metabolites of interest. The compounds that showed a better response to treatment were phenols and anthocyanins.
format	Online
id	oai:oai.revistas.uptc.edu.co:article-12082
institution	Revista Colombiana de Ciencias Hortícolas
language	eng
publishDate	2020
publisher	Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC
record_format	ojs
spelling	oai:oai.revistas.uptc.edu.co:article-120822021-07-13T03:17:52Z Impact of ultraviolet B radiation applications on some secondary metabolites in thyme (Thymus vulgaris L.) Impacto de la aplicación de radiación ultravioleta B en algunos metabolitos secundarios de tomillo (Thymus vulgaris L.) Ramírez-Alvarado, Rafael Andrés Herrera-Arévalo, Aníbal Orlando Ortiz-Rojas, Yamid Pérez-Rodríguez, Claudia Patricia Lamiaceae Post-harvest technology Elicitor Phenolic compounds Phenylpropanoids Plant metabolites Lamiaceae Tecnología poscosecha Inductores Compuestos fenólicos Fenil propanoides Metabolitos de plantas The impact of ultraviolet radiation B (UV-B) applications on the production of secondary metabolites, such as phenols, flavonoids and anthocyanins, in thyme plants was studied. The stems, leaves and flowers were subjected to an experiment design that had a 4´2 factorial arrangement, evaluating: dose UV-B radiation (0.05 and 0.075 Wh m-2), sampling points (75 days after transplanting [cut-off point] and 92 days after transplanting [full flowering] according to the BBCH scale), adaptation time (24 and 49 hours) and extraction matrices of plant material (fresh and dried). The experiment unit corresponded to matrices from Thymus vulgaris L. (C.N. thyme) plants. Ten extractions were done per treatment, and a chemical analysis test were performed in triplicate. The extraction was done with a modified Randall method. The results showed that the application of UV-B radiation at a dose of 0.075 Wh m-2 increased the concentration of secondary metabolites of interest. The compounds that showed a better response to treatment were phenols and anthocyanins. El impacto de la aplicación de la radiación ultravioleta B (UV-B) en la producción de metabolitos secundarios como fenoles, flavonoides y antocianinas fue estudiado en plantas de tomillo. Los tallos, hojas y flores fueron sometidos a un diseño experimental que consistió en un arreglo factorial 4´2, evaluando: dosis de radiación UV-B (0,05 y 0,075 Wh m-2), estado fenológico del momento de muestreo (75 días después del trasplante o fecha de corte o cosecha y 92 días después del trasplante – plena floración), tiempos de adaptación (24 y 49 horas) y matrices de extracción del material vegetal (fresco y secado). La unidad experimental correspondió a extractos de matrices frescas y secas de plantas de la especie Thymus vulgaris L. (N.C. tomillo). Se realizaron diez extracciones por tratamiento y las pruebas de análisis químico se realizaron por triplicado. La obtención de los analitos se realizó a través del método Randall modificado. Los resultados indican que la aplicación de radiación UV-B a la dosis de 0.075 Wh m-2 aumenta la concentración de metabolitos secundarios de interés. Los fenoles y antocianinas fueron los compuestos que mostraron una mejor respuesta al tratamiento. Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC 2020-09-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text Texto application/pdf https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/12082 10.17584/rcch.2020v14i3.12082 Revista Colombiana de Ciencias Hortícolas; Vol. 14 No. 3 (2020); 416-423 Revista Colombiana de Ciencias Hortícolas; Vol. 14 Núm. 3 (2020); 416-423 Revista Colombiana de Ciencias Hortícolas; Vol. 14 No 3 (2020); 416-423 Revista Colombiana de Ciencias Hortícolas; V. 14 N. 3 (2020); 416-423 Revista Colombiana de Ciencias Hortícolas; v. 14 n. 3 (2020); 416-423 2422-3719 2011-2173 eng https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/12082/9894 Colombia; Bogota Colombia; Bogota Copyright (c) 2020 Revista Colombiana de Ciencias Hortícolas
spellingShingle	Lamiaceae Post-harvest technology Elicitor Phenolic compounds Phenylpropanoids Plant metabolites Lamiaceae Tecnología poscosecha Inductores Compuestos fenólicos Fenil propanoides Metabolitos de plantas Ramírez-Alvarado, Rafael Andrés Herrera-Arévalo, Aníbal Orlando Ortiz-Rojas, Yamid Pérez-Rodríguez, Claudia Patricia Impact of ultraviolet B radiation applications on some secondary metabolites in thyme (Thymus vulgaris L.)
title	Impact of ultraviolet B radiation applications on some secondary metabolites in thyme (Thymus vulgaris L.)
title_alt	Impacto de la aplicación de radiación ultravioleta B en algunos metabolitos secundarios de tomillo (Thymus vulgaris L.)
title_full	Impact of ultraviolet B radiation applications on some secondary metabolites in thyme (Thymus vulgaris L.)
title_fullStr	Impact of ultraviolet B radiation applications on some secondary metabolites in thyme (Thymus vulgaris L.)
title_full_unstemmed	Impact of ultraviolet B radiation applications on some secondary metabolites in thyme (Thymus vulgaris L.)
title_short	Impact of ultraviolet B radiation applications on some secondary metabolites in thyme (Thymus vulgaris L.)
title_sort	impact of ultraviolet b radiation applications on some secondary metabolites in thyme thymus vulgaris l
topic	Lamiaceae Post-harvest technology Elicitor Phenolic compounds Phenylpropanoids Plant metabolites Lamiaceae Tecnología poscosecha Inductores Compuestos fenólicos Fenil propanoides Metabolitos de plantas
topic_facet	Lamiaceae Post-harvest technology Elicitor Phenolic compounds Phenylpropanoids Plant metabolites Lamiaceae Tecnología poscosecha Inductores Compuestos fenólicos Fenil propanoides Metabolitos de plantas
url	https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/12082
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