[Preparation of 23-hydroxybetulinic acid from the roots of Pulsatilla chinensis].
Raktažodžiai
Santrauka
OBJECTIVE
To isolate and purify high purity 23-hydroxybetulinic acid from the roots of Pulsatilla chinensis.
METHODS
By acid hydrolysis, silica gel column chromatographies and recrystalization methods, 23-hydroxybetulinic acid was obtained from the roots of P. chinensis.
RESULTS
High purity 23-hydroxylbetuline acid was isolated from the roots of P. chinensis, the contents is over 98. 0%.
CONCLUSIONS
The preparation process is feasible and convenient. High purity 23-hyroxybetulinic acid could be used in the quality control of the materials and medicament of 23-hydroxybetulinic acid.