[Quantitative determination of ursolic acid in Herba cynomorii by ultraviolet spectrophotometry].
Ursolic acid was isolated form Herba Cynomorii by thin layer chromatography and was quantitatively determined by ultraviolet spectrophotometry. The results indicate that the content of ursolic acid is 0.78%. The average recovery rate of ursolic acid is 97.4%, RSD = 0.45% (n = 4).
Ding
H
H
Shanxi Medical University, Taiyuan 030001.
Wang
Y
Y
Wang
S
S
You
W
W
D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D019684:Magnoliopsida / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*; D013056:Spectrophotometry, Ultraviolet; D014315:Triterpenes / Q000032:analysis*; D000097245:Ursolic Acid
D004365:Drugs, Chinese Herbal; D014315:Triterpenes; D000097245:Ursolic Acid