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- W2023434087 abstract "Renewed interest in plant-derived drugs has led to an increased need for efficient extraction methods. Hypericum perforatum L. contains several groups of bioactive compounds with noteworthy pharmacological activities. Direct sonication of H. perforatum was investigated and compared with conventional maceration, indirect sonication, Soxhlet extraction, and accelerated solvent extraction (ASE). Highly selective liquid chromatography/tandem mass spectrometry analysis showed that the content of six investigated active compounds (hypericin, pseudohypericin, hyperoside, rutin, quercitrin, and hyperforin) in extracts obtained by direct sonication was significantly higher than in extracts obtained by the other methods. The active compound contents increased on increasing the ultrasonic power from 40 to 60 W when using direct sonication. Conventional maceration gave the lowest amount of analyzed active compounds. Soxhlet extraction gave better results than ASE or indirect sonication. Keywords: Hypericum perforatum L.; direct sonication; comparison of extraction methods; LC/MS/MS" @default.
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- W2023434087 date "2006-03-03" @default.
- W2023434087 modified "2023-10-07" @default.
- W2023434087 title "Comparison of Methods for the Exhaustive Extraction of Hypericins, Flavonoids, and Hyperforin from <i>Hypericum perforatum</i> L." @default.
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- W2023434087 doi "https://doi.org/10.1021/jf0527246" @default.
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