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Polyphenolic characterisation and antiprotozoal effect of extracts obtained by maceration, ultrasound, microwave and ultrasound/microwave of (Jacq.) Cass. | LitMetric

AI Article Synopsis

Article Abstract

(Jacq.) Cass. (Asteraceae) has antiprotozoal properties and contains extractable phenolic compounds by the maceration method (M). However, new extraction proposals such as ultrasound (U), microwaves (MW), and ultrasound/microwaves (U/MW) have emerged to optimise yields, but it is unknown if these methods modify effectiveness. Therefore, the study consisted of extracting the aerial part of with ethanol using the M, U, MW and U/MW methods to study its composition by RP-HPLC-ESI-MS, its total polyphenol content and its effect against . The study showed that U, MW and U/MW did not modify the extraction yield compared to M, but they did change the composition and the total polyphenol content. All extracts contain phloretin, caffeic acid 4-O-glucoside, todolactol A, quercetin 3-O-glucoside, quercetin 3-O-rhamnoside, luteolin and 3,7-dimethylquercetin, and affected the growth of . However, M and U extracts were the most effective at 5 mg/mL.

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http://dx.doi.org/10.1080/14786419.2023.2265532DOI Listing

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