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Antioxidant, Antihypertensive and Antimicrobial Properties of Phenolic Compounds Obtained from Native Plants by Different Extraction Methods

Author

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  • Francisco Ramiro Boy

    (Nutrición y Bromatología, Instituto Universitario de Investigación en Recursos Agrarios (INURA), Escuela de Ingenierías Agrarias, Universidad de Extremadura, 06007 Badajoz, Spain)

  • Rocío Casquete

    (Nutrición y Bromatología, Instituto Universitario de Investigación en Recursos Agrarios (INURA), Escuela de Ingenierías Agrarias, Universidad de Extremadura, 06007 Badajoz, Spain)

  • Ana Martínez

    (Nutrición y Bromatología, Instituto Universitario de Investigación en Recursos Agrarios (INURA), Escuela de Ingenierías Agrarias, Universidad de Extremadura, 06007 Badajoz, Spain)

  • María de Guía Córdoba

    (Nutrición y Bromatología, Instituto Universitario de Investigación en Recursos Agrarios (INURA), Escuela de Ingenierías Agrarias, Universidad de Extremadura, 06007 Badajoz, Spain)

  • Santiago Ruíz-Moyano

    (Nutrición y Bromatología, Instituto Universitario de Investigación en Recursos Agrarios (INURA), Escuela de Ingenierías Agrarias, Universidad de Extremadura, 06007 Badajoz, Spain)

  • María José Benito

    (Nutrición y Bromatología, Instituto Universitario de Investigación en Recursos Agrarios (INURA), Escuela de Ingenierías Agrarias, Universidad de Extremadura, 06007 Badajoz, Spain)

Abstract

This study aims to evaluate the efficacy of two methods (agitation and ultra-sound) for extracting phenolic compounds from 15 native plants. Plant species collected in the Dehesa of Extremadura were used. The antioxidant, antihypertensive and antimicrobial activity of the phenolic extracts was investigated. Significantly different results were obtained when comparing the two extraction methods, with the highest concentrations of phenolic compounds found for ultrasound extraction. In addition, the extracts obtained for Cistus albidus , Cistus salviifolius , Rubus ulmifolius and Quercus ilex showed the highest concentrations of phenolic compounds. The antioxidant activity was higher in the extracts of Cistus and Q. ilex obtained by ultrasound, as was the antihypertensive activity. Antimicrobial activity was also higher in the extracts obtained by ultrasound from C. salviifolius and Q. ilex plants against bacteria and from Cistus ladanifer against yeasts. Therefore, it can be concluded that, with the ultrasound extraction of phenolic compounds from C. ladanifer , C. albidus and Q. ilex plants, it is possible to obtain extracts with important functional properties, so they could be studied for their use in food with the aim of obtaining healthy and safe products, favouring the sustainability of the environment of the Dehesa Extremeña.

Suggested Citation

  • Francisco Ramiro Boy & Rocío Casquete & Ana Martínez & María de Guía Córdoba & Santiago Ruíz-Moyano & María José Benito, 2021. "Antioxidant, Antihypertensive and Antimicrobial Properties of Phenolic Compounds Obtained from Native Plants by Different Extraction Methods," IJERPH, MDPI, vol. 18(5), pages 1-12, March.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:5:p:2475-:d:509354
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    Cited by:

    1. Francisco Ramiro Boy & María José Benito & María de Guía Córdoba & Alicia Rodríguez & Rocío Casquete, 2023. "Antimicrobial Properties of Essential Oils Obtained from Autochthonous Aromatic Plants," IJERPH, MDPI, vol. 20(3), pages 1-10, January.

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