Determination of Peiminine in Wenglitong Tablets by TLC
- VernacularTitle:TLC法测定翁沥通片中贝母素乙的含量
- Author:
Mao CHEN
;
Meiyan LIU
;
Cuilan HU
- Publication Type:Journal Article
- Keywords:
TLC;
Wenglitong tablet;
Peiminine;
Content determination
- From:
China Pharmacy
2001;0(12):-
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVE:To determine the content of Peiminine in Wenglitong tablets by TLC.METHODS:The content of Peiminine was determined by dual wavelength TLC with gel silica G as thin layer plate.The developing solvent was chloroform-ethyl acetate-methanol-ammonia water(2∶6.5∶1∶0.5)and the developer was modified potassium heptaiodobismuthate.RESULTS:The liner range of Peimine was 0.4~2.4 ?g with an average recovery rate of 99.28%(RSD=1.17%,n=6).CONCLUSION:This method is simple,reliable,reproducible and suitable for the quality control of Wenglitong tabl-ets.