Development and validation of an HPLC-PDA method for the determination of myrsinoic acid B in the extracts of Rapanea ferruginea Mez |
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Authors: | Baccarin Thaisa Muceneeki Rodrigo S Bresolin Tania M B Yunes Rosendo A Malheiros Angela Lucinda-Silva Ruth M |
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Institution: | a Núcleo de Investigações Químico-Farmacêuticas (Niqfar), Programa de Mestrado em Ciências Farmacêuticas, Universidade do Vale do Itajaí (UNIVALI), P.O. BOx 360, 88302-202 Itajaí, SC, Brazil b Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil |
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Abstract: | New, simple, rapid and precise HPLC-PDA method has been developed and validated for quantification of biomarker myrsinoic acid B in stem bark extracts of Rapanea ferruginea Mez. The method employs a Phenomenex C18 column (250 mm × 4.6 mm I.D., 5 μm) with acetonitrile:methanol:water (pH 2.6 with phosphoric acid) at 48:30:22 as mobile phase, at a flow rate of 0.7 mL min−1 and photo diode array (PDA) detection at 270 nm. The validation data show that the method is specific, accurate, precise and robust. The method was linear, over a range of 5-100.0 μg mL−1, with a limit of detection of 0.369 μg mL−1 and limit of quantification of 1.233 μg mL−1. The method has also shown consistent recoveries (average of 101.3% and 0.12% RSD) of the biomarker, with low intra and inter-day relative standard deviation (1.26% and 1.62%, respectively). The evaluated hydroethanolic extract and dry extract presented MAB values of 63.53 and 36.07 mg g−1, respectively. |
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Keywords: | Analytical validation Liquid chromatography Myrsinoic acid B Quality control Rapanea ferruginea |
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