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A simple, sensitive, and accurate liquid-chromatographic method with UV detection has been developed for simultaneous determination of spinosin, danshensu, and protocatechuic aldehyde in traditional Chinese Zaoren-an-shen capsules. Chromatographic separation was achieved on a C18 column. Vanillin was used as internal standard and the UV detection wavelength was 280 nm. Excellent linear behavior was...
An LC method was developed for determination of mangiferin in rat plasma and tissues after oral administration of Rhizoma Anemarrhenae extract. Analysis was performed on a Gemini C18 analytical column (250 × 4.6 mm, i.d.) with mobile phase consisting of acetonitrile–water (23:77, v/v) with 1% acetic acid and 1% tetrahydrofuran at a flow rate of 0.7 mL min−1. Spinosin was used as internal standard...
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