Antioxidant and Antibacterial Activity of Mexican Oregano Essential Oil, Extracted from Plants Occurring Naturally in Semiarid Areas and Cultivated in the Field and Greenhouse in Northern Mexico
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Published:2023-09-09
Issue:18
Volume:28
Page:6547
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ISSN:1420-3049
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Container-title:Molecules
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language:en
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Short-container-title:Molecules
Author:
Marin-Tinoco Ruben I.1, Ortega-Ramírez Angie Tatiana2ORCID, Esteban-Mendez Maricela3, Silva-Marrufo Oscar4ORCID, Barragan-Ledesma Laura E.1, Valenzuela-Núñez Luis M.5, Briceño-Contreras Edwin A.6, Sariñana-Navarrete Maria A.6ORCID, Camacho-Luis Abelardo1, Navarrete-Molina Cayetano6ORCID
Affiliation:
1. Faculty of Medicine and Nutrition, Juarez University of the State of Durango, Calle Constitucion 404, Zona Centro, Durango 34100, Durango, Mexico 2. Management, Environment and Sustainability Research Group, Chemical and Environmental Engineering Department, Universidad de America, Bogotá 110311, Colombia 3. Interdisciplinary Research Center for Integral Regional Development Unit Durango, National Polytechnic Institute, Sigma 119, Fraccionamiento 20 de Noviembre II, Durango 34220, Durango, Mexico 4. Department of Engineering, National Technological of Mexico, Technological Institute of the Guadiana Valley, Carretera Durango-México, Km. 22.5, Ejido Villa Montemorelos, Durango 34371, Durango, Mexico 5. Faculty of Biological Sciences, Juarez University of the State of Durango, Gomez Palacio 35010, Durango, Mexico 6. Department of Chemical Area Environmental Technology, Technological University of Rodeo, Carretera Panamericana, Km. 159.4, Col. ETA, Rodeo 37560, Durango, Mexico
Abstract
In recent years, the determination of the antioxidant and antibacterial activity of essential oils in wild plants, such as Mexican oregano (Lippia graveolens Kunth), has become increasingly important. The objective was to compare the antioxidant and antibacterial activity of Mexican oregano essential oil obtained from plants occurring naturally in semiarid areas (Wild1 and Wild2), and those cultivated in the field (CField) and greenhouse (CGreenhouse) in northern Mexico. The Mexican oregano essential oil extraction was performed using the hydrodistillation method, the antioxidant activity was determined using the ABTS method, and the antibacterial activity was assessed through bioassays under the microwell method at nine different concentrations. The aim was to determine the diameter of the inhibition zone and, consequently, understand the sensitivity level for four bacterial species. The results revealed an antioxidant activity ranging from 90% to 94% at the sampling sites, with Wild1 standing out for having the highest average antioxidant activity values. Likewise, six out of the nine concentrations analyzed showed some degree of sensitivity for all the sampling sites. In this regard, the 25 µL mL−1 concentration showed the highest diameter of inhibition zone values, highlighting the Wild2 site, which showed an average diameter greater than 30 mm for the four bacteria tested. Only in the case of S. typhi did the CGreenhouse site surpass the Wild2, with an average diameter of the inhibition zone of 36.7 mm. These findings contribute to the search for new antioxidant and antibacterial options, addressing the challenges that humanity faces in the quest for opportunities to increase life expectancy.
Subject
Chemistry (miscellaneous),Analytical Chemistry,Organic Chemistry,Physical and Theoretical Chemistry,Molecular Medicine,Drug Discovery,Pharmaceutical Science
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