Determination of Hypericin Content in Extract of Hypericum by Dual-Wavelength Spectrophotometry
- VernacularTitle:双波长分光光度法测定贯叶连翘提取物中金丝桃素
- Author:
Libin WANG
;
Xudong WANG
- Publication Type:Journal Article
- Keywords:
hypericin;
dual-wavelength spectrophotometry
- From:
Chinese Traditional Patent Medicine
1992;0(11):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective: Hypericin content was determined in the extract of hypericum by dual-wavelength spectrophotometry. Methods: The wavelengths were adopeted 589nm～647nm against a methanol blank. Results: The linear correlation was observed within the range of 1.30～29.75?g/ml(r=0.9998). The average recovery of hypericin was 102.32%(n=6), RSD was 1.08%. Conclusion: the result was exact, method was simple and convenient .
