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Fig. 4 | Chinese Medicine

Fig. 4

From: Preparation, optimization and in vitro–in vivo evaluation of Shunxin sustained release granules

Fig. 4

Typical chromatograms of plasma samples. Chromatograms of blank plasma (a), blank plasma spiked with the analytes and IS (b), a plasma sample after oral administration of Shunxinzufang extract (c) and a plasma sample after oral administration of Shunxin sustained release granules (d). 1, 2, 3 and 4 represent paeoniflorin, calycosin-7-glucoside, ferulic acid and IS, respectively

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