Chemical Variation of Leaves and Pseudobulbs in <i>Prosthechea karwinskii</i> (Orchidaceae) in Oaxaca, Mexico

<i>Prosthechea karwinskii</i> is an endemic orchid of Mexico with significant value for its traditional uses: ornamental, ceremonial, and medicinal. The pharmacological activity of this plant has been studied using specimens recovered from religious use during Holy Week in Oaxaca, Mexico...

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Main Authors: Gabriela Soledad Barragán-Zarate, Beatriz Adriana Pérez-López, Manuel Cuéllar-Martínez, Rodolfo Solano, Luicita Lagunez-Rivera
Format: Article
Language:English
Published: MDPI AG 2025-02-01
Series:Plants
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Online Access:https://www.mdpi.com/2223-7747/14/4/608
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author Gabriela Soledad Barragán-Zarate
Beatriz Adriana Pérez-López
Manuel Cuéllar-Martínez
Rodolfo Solano
Luicita Lagunez-Rivera
author_facet Gabriela Soledad Barragán-Zarate
Beatriz Adriana Pérez-López
Manuel Cuéllar-Martínez
Rodolfo Solano
Luicita Lagunez-Rivera
author_sort Gabriela Soledad Barragán-Zarate
collection DOAJ
description <i>Prosthechea karwinskii</i> is an endemic orchid of Mexico with significant value for its traditional uses: ornamental, ceremonial, and medicinal. The pharmacological activity of this plant has been studied using specimens recovered from religious use during Holy Week in Oaxaca, Mexico, sourced from various localities within this state. Geographical variability can influence the chemical composition of plants, as environmental factors affect the production of their secondary metabolites, which impact their biological properties. This research evaluated the variability in the chemical composition of leaves and pseudobulbs of <i>P. karwinskii</i> obtained from different localities in Oaxaca, comprising 95–790 g and 376–3900 g of fresh material for leaves and pseudobulbs, respectively, per locality. Compounds were identified using UHPLC-ESI-qTOF-MS/MS following ultrasound-assisted hydroethanolic extraction. Twenty-one compounds were identified in leaves and twenty in pseudobulb. The findings revealed differences in chemical composition across localities and between leaves and pseudobulbs of the species. The Roaguia locality exhibited the highest extraction yield and pharmacological potential in leaves. For pseudobulbs, Cieneguilla specimens showed the highest yield, and El Lazo had the lowest yield but the highest pharmacological potential. This study represents the first comprehensive analysis of the variation in the chemical composition of a native Mexican orchid. In all localities, leaves and pseudobulbs contained compounds with known biological activity, validating the use of the species in traditional medicine and highlighting its potential for medical and biological applications.
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spelling doaj-art-1548bfc97deb4c228ff3f91b88addcf92025-08-20T02:44:56ZengMDPI AGPlants2223-77472025-02-0114460810.3390/plants14040608Chemical Variation of Leaves and Pseudobulbs in <i>Prosthechea karwinskii</i> (Orchidaceae) in Oaxaca, MexicoGabriela Soledad Barragán-Zarate0Beatriz Adriana Pérez-López1Manuel Cuéllar-Martínez2Rodolfo Solano3Luicita Lagunez-Rivera4Laboratorio de Extracción y Análisis de Productos Naturales Vegetales, Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional Unidad Oaxaca, Instituto Politécnico Nacional, Hornos 1003, Santa Cruz Xoxocotlán C.P. 71230 Oaxaca, MexicoLaboratorio de Extracción y Análisis de Productos Naturales Vegetales, Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional Unidad Oaxaca, Instituto Politécnico Nacional, Hornos 1003, Santa Cruz Xoxocotlán C.P. 71230 Oaxaca, MexicoLaboratorio de Extracción y Análisis de Productos Naturales Vegetales, Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional Unidad Oaxaca, Instituto Politécnico Nacional, Hornos 1003, Santa Cruz Xoxocotlán C.P. 71230 Oaxaca, MexicoLaboratorio de Extracción y Análisis de Productos Naturales Vegetales, Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional Unidad Oaxaca, Instituto Politécnico Nacional, Hornos 1003, Santa Cruz Xoxocotlán C.P. 71230 Oaxaca, MexicoLaboratorio de Extracción y Análisis de Productos Naturales Vegetales, Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional Unidad Oaxaca, Instituto Politécnico Nacional, Hornos 1003, Santa Cruz Xoxocotlán C.P. 71230 Oaxaca, Mexico<i>Prosthechea karwinskii</i> is an endemic orchid of Mexico with significant value for its traditional uses: ornamental, ceremonial, and medicinal. The pharmacological activity of this plant has been studied using specimens recovered from religious use during Holy Week in Oaxaca, Mexico, sourced from various localities within this state. Geographical variability can influence the chemical composition of plants, as environmental factors affect the production of their secondary metabolites, which impact their biological properties. This research evaluated the variability in the chemical composition of leaves and pseudobulbs of <i>P. karwinskii</i> obtained from different localities in Oaxaca, comprising 95–790 g and 376–3900 g of fresh material for leaves and pseudobulbs, respectively, per locality. Compounds were identified using UHPLC-ESI-qTOF-MS/MS following ultrasound-assisted hydroethanolic extraction. Twenty-one compounds were identified in leaves and twenty in pseudobulb. The findings revealed differences in chemical composition across localities and between leaves and pseudobulbs of the species. The Roaguia locality exhibited the highest extraction yield and pharmacological potential in leaves. For pseudobulbs, Cieneguilla specimens showed the highest yield, and El Lazo had the lowest yield but the highest pharmacological potential. This study represents the first comprehensive analysis of the variation in the chemical composition of a native Mexican orchid. In all localities, leaves and pseudobulbs contained compounds with known biological activity, validating the use of the species in traditional medicine and highlighting its potential for medical and biological applications.https://www.mdpi.com/2223-7747/14/4/608bioactive compoundsmedicinal plantsextraction yieldUHPLC-ESI-qTOF-MS/MSgeographical variation
spellingShingle Gabriela Soledad Barragán-Zarate
Beatriz Adriana Pérez-López
Manuel Cuéllar-Martínez
Rodolfo Solano
Luicita Lagunez-Rivera
Chemical Variation of Leaves and Pseudobulbs in <i>Prosthechea karwinskii</i> (Orchidaceae) in Oaxaca, Mexico
Plants
bioactive compounds
medicinal plants
extraction yield
UHPLC-ESI-qTOF-MS/MS
geographical variation
title Chemical Variation of Leaves and Pseudobulbs in <i>Prosthechea karwinskii</i> (Orchidaceae) in Oaxaca, Mexico
title_full Chemical Variation of Leaves and Pseudobulbs in <i>Prosthechea karwinskii</i> (Orchidaceae) in Oaxaca, Mexico
title_fullStr Chemical Variation of Leaves and Pseudobulbs in <i>Prosthechea karwinskii</i> (Orchidaceae) in Oaxaca, Mexico
title_full_unstemmed Chemical Variation of Leaves and Pseudobulbs in <i>Prosthechea karwinskii</i> (Orchidaceae) in Oaxaca, Mexico
title_short Chemical Variation of Leaves and Pseudobulbs in <i>Prosthechea karwinskii</i> (Orchidaceae) in Oaxaca, Mexico
title_sort chemical variation of leaves and pseudobulbs in i prosthechea karwinskii i orchidaceae in oaxaca mexico
topic bioactive compounds
medicinal plants
extraction yield
UHPLC-ESI-qTOF-MS/MS
geographical variation
url https://www.mdpi.com/2223-7747/14/4/608
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