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Chinese Traditional Patent Medicine ; (12)1992.
Artigo em Chinês | WPRIM | ID: wpr-570026

RESUMO

Objective: To develop a method to determine Astragaloside IV in spray-dry of Radix Astragali by HPLC-ELSD. Methods: ELSD was used to determine directly Astragaloside IV in spray-dry of Radix Astragali on Elite-OSD column, using CH 3CN-H 2O(36∶64) as a mobile phase. The flow rate was 1.0 ml/min. The temperature of drift tube for ELSD was 105 ?C and the flow rate of N 2 was 2.84 ml/min. Results: The recovery of the added sample was 91.68% and RSD 1.64%. Soluble amylum was helpful for spray-dry but it can influence was determination of Astragaloside IV. Conclusion: The method is accurate and can be used in the determination of Astragaloside IV in spray-dry of Radix Astragali. Better adjuvant should be found.

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