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Abstract:Objective To develop a method for determining the content of astragaloside IV in Qihong capsule.Methods Astragaloside IV was analyzed on an HPLC Diamnosil C18 column (4.6 mm¡Á250 mm, 5 ¦Ìm) using acetonitrileª²water (35¡Ã65) as mobile phase.Results The calibration curve was linear in the range of 2.53-15.18 ¦Ìg. The average recovery was 99.4%. Conclusions This method is accurate, reliable and reproducible, which can be used for the quality control of Qihong capsule.
Key words:Qihong capsule; astragaloside IV; HPLC
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