Abstract��OBJECTIVE To develop a method of quantitative analysis of multicomponents by singlemarker (QAMS) for simultaneous determination of six oligosaccharide esters in Polygalae Radix. METHODS 3,6��-Disinapoyl sucrose (DISS) was used as the internal reference substance. The relative correlation factors (RCF) of sibiricose A5, sibiricose A6, tenuifoliside B, tenuifoliside A, and tenuifoliside C to DISS were calculated. The contents of the six oligosaccharide esters in 20 different batches of Polygalae Radix were determined by both external standard method and QAMS. The assay results were compared to evaluate the accuracy of QAMS method. RESULTS The RCF of sibiricose A5, sibiricose A6, tenuifoiside B, tenuifoliside A, and tenuifoiside C to DISS were 1.23, 1.16, 1.56, 1.79, and 0.92, respectively. Under different experimental conditions, the RCF had good reproducibility, and there was no significant difference in the quantitative analysis results between the external standard method and QAMS method. CONCLUSION The QAMS method is feasible and credible, and can be used for the quality control of oligosaccharide esters in Polygalae Radix.
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ZHANG Xiao-ling, ZHOU Qin-fen, LEI Hou-liang, LUAN Lian-jun. Simultaneous Determination of Six Oligosaccharide Esters in Polygalae Radix by Quantitative Analysis of Multicomponents by Singlemarker. Chinese Pharmaceutical Journal, 2015, 50(9): 808-8113.
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