[Objective] We aimed to establish a rapid determination method of peoniflorin in Gangbangui capsule by using HPLC.[Method] Sinochrom ODS-AP column (5 μm,4.6 mm× 250 mm) was used in our research.The mobile phas...[Objective] We aimed to establish a rapid determination method of peoniflorin in Gangbangui capsule by using HPLC.[Method] Sinochrom ODS-AP column (5 μm,4.6 mm× 250 mm) was used in our research.The mobile phase was methanol-0.3% phosphoric acid (35:65).The column temperature was 30 ℃.The flow rate was 0.8 ml/min.The detection wavelength was 230 nm.[Result] The concentration of peoniflorin in Gangbangui capsule ranged between 0.040 54 and 0.2432 μg/μl and a good linear relation between concentration and peak area was shown (r=0.999 99).The average recovery was 98.89% (RSD=2.17%).[Conclusion] The method was fast,easy and reproducible and could be used as a quality indicator of the compound.展开更多
基金Supported by Research Subjects of TCM and Ethnic Medicine Science and Technology of Administration of Traditional Chinese Medicine in Guizhou Province(QZYY2011-40)~~
文摘[Objective] We aimed to establish a rapid determination method of peoniflorin in Gangbangui capsule by using HPLC.[Method] Sinochrom ODS-AP column (5 μm,4.6 mm× 250 mm) was used in our research.The mobile phase was methanol-0.3% phosphoric acid (35:65).The column temperature was 30 ℃.The flow rate was 0.8 ml/min.The detection wavelength was 230 nm.[Result] The concentration of peoniflorin in Gangbangui capsule ranged between 0.040 54 and 0.2432 μg/μl and a good linear relation between concentration and peak area was shown (r=0.999 99).The average recovery was 98.89% (RSD=2.17%).[Conclusion] The method was fast,easy and reproducible and could be used as a quality indicator of the compound.