[Comparative studies on isolation and purification of Chinese medicine decoction].
OBJECTIVE
To evaluate different methods by treating water-decocted liquid of 6 Chinese medical herbs and 4 co-prescription respectively with alcohol, ultrafilter, macroporousresin and clarifier.


METHODS
The contents of target component in those extracts were determined with HPLC or titration, and quantitative and qualitative determination of the impurity components, such as polysaccharide and protein, was made.


RESULTS
Each method showed its advantages and disavantages.


CONCLUSIONS
Different method can be chosen according to the clinical and preparation demands or the characteristic of components.
Feng
Qing-ran
QR
Institute of Chinese Medica, China Academy of TCM, Beijing 100700.
Wang
Yuan-yu
YY
Ma
Zhen-shan
ZS
Zhang
Bao-xian
BX
Nie
Qi-xia
QX
Zhao
Xiao-mei
XM
Zang
Chen
C
Tong
Yan
Y
Wang
Lin
L
D004338:Drug Combinations; D004365:Drugs, Chinese Herbal / Q000008:administration & dosage / Q000032:analysis* / Q000302:isolation & purification*; D008722:Methods; D010946:Plants, Medicinal / Q000737:chemistry*; D011134:Polysaccharides / Q000032:analysis
D004338:Drug Combinations; D004365:Drugs, Chinese Herbal; D011134:Polysaccharides