期刊
出版社
MDPI
DOI: 10.3390/ijerph18052475
关键词
phenolic compounds; dehesa plants; functional properties; antimicrobial activity
资金
- Junta de Extremadura [IB16158, GR18165]
This study evaluated the efficacy of agitation and ultra-sound methods for extracting phenolic compounds from 15 native plants, and found that ultra-sound extraction resulted in higher concentrations. Extracts from Cistus albidus, Cistus salvinfolius, Rubus ulmifolius, and Quercus ilex showed the highest concentrations of phenolic compounds. Antioxidant, antihypertensive, and antimicrobial activities were also found to be higher in extracts obtained through ultra-sound extraction.
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 Extremena.
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