1.
Chinese Traditional Patent Medicine
;
(12)1992.
Article
Dans Chinois
| WPRIM
| ID: wpr-681399
Résumé
Objective: To determine the content of tetrahydropalmatine in Yuanhuzhitong Dropping Pills by TLC scanning. Methods: The extraction solution of the sample was analyzed on silica gel G plate, with toluene anhydrous alcohol (20∶2, saturating for 30 min) as the developing system. The spot was located under UV (at 254nm), then detected by dual wavelength scanning (? S=280nm,? R=310nm). Results: The average recovery was 98.90%. RSD was 3.10%. Conclusion: The method is simple, accurate and available for the quality control of Yuanhuzhitong Dropping Pills.