Simultaneous Quantification of Three Chemical Types Bioactive Compounds in Radix Isatidis and Its Relevant Pharmaceutical Dosage Forms by HPLC-DAD

AUTOR(ES)

Xiao, Ping, Li, Xiang, Chen, Jianwei, Duan, Jin-ao

FONTE

J. Braz. Chem. Soc.

DATA DE PUBLICAÇÃO

2017-07

RESUMO

A simple and rapid high performance liquid chromatography coupled with diode array detector (HPLC-DAD) method was developed for simultaneous quantification of three chemical types of bioactive compounds including an alkaloid (epigoitrin), six nucleosides (uracil, cytidine, hypoxanthine, uridine, guanosine and adenosine), and four phenylpropanoids (syringin, clemastanin B, indigoticoside A and isolariciresinol) in Radix Isatidis and its relevant pharmaceutical dosage forms. The developed method was successfully applied to analyze 32 batches of samples with good linearity (R2, 0.9966-0.9999), precisions (relative standard deviation (RSD), 0.24-4.61%), repeatability (RSD, 0.39-4.93%), stability (RSD, 1.18-4.29%) and recovery (range, 95.4-104.6%) of the eleven compounds. The limits of detection (LOD) and limits of quantification (LOQ) of the method ranged 0.0383-0.1744 and 0.1550-0.5467 µg mL-1, respectively. The results indicated that the newly established HPLC-DAD method was sensitive, precise, accurate and reproducible. It could be applied to the quality control of Radix Isatidis and its relevant pharmaceutical dosage forms.

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