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• W2733917967 abstract "Objective: The Anadenanthera colubrina (Vell.) Brennan var. cebil is a medicinal plant that has been used for the treatment of many diseases in the northeastern region of Brazil. This plant contains secondary metabolites such as quercetin, a flavonoid that is known by its antioxidant and anti-inflammatory effects. The aim of this work is to propose the validation of an analytical method using high-performance liquid chromatography with diode array detector (HPLC-DAD) for the quantification of quercetin and standardization of the hydroalcoholic extract (HAE) of A. colubrina.Methods: The A. colubrina extracts were prepared by the maceration process with powdered leaves at 20% weight: volume (w/v) and a hydroalcoholic solution at 50% volume: volume (v/v) for 120 h at room temperature. After pretreatment of the hydroalcoholic extract, the quercetin marker was used for quantification and proceeded to the evaluation of validation parameters for the method using HPLC-DAD.Results: The analytical method proved to be specific. Linear over the range 1.4–26.6 µg/ml, regression analysis showed a good correlation coefficient (R2= 0.999); the limit of detection (LOD) and the limit of quantification (LOQ) were 0.27 and 0.81 μg/ml respectively. The relative standard deviation (RSD) did not exceed 2.5% for precision. The proposed method was validated with an average recovery of 92.5–97.5%.Conclusion: The method was validated using HPLC-DAD, allowing the quantification of quercetin in the standardisation process of extracts and quality control of the herbal drug containing A. colubrina Phyto complex." @default.
• W2733917967 created "2017-07-14" @default.
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• W2733917967 date "2017-08-01" @default.
• W2733917967 modified "2023-09-27" @default.
• W2733917967 title "ANALYTICAL METHOD BY HPLC-DAD ALLOWS QUANTIFICATION OF QUERCETIN MARKER IN STANDARDIZED EXTRACT OF ANADENANTHERA COLUBRINA VAR. CEBIL" @default.
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• W2733917967 doi "https://doi.org/10.22159/ijpps.2017v9i8.16468" @default.
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