[A study on processing of the root of Pueraria lobata (Willd.) ohwi by HPLC].
OBJECTIVE
To study the changes of active components in the root of Pueraria lobata after processing.


METHODS
Using HPLC, with a C18 column, MeOH-H2O-CHCl3(25:75:1) as mobile phase, and flow rate 1 ml/min.


RESULTS
The Puerarin in different processed products of the drug is increased in content, but gets seriously destroyed if processed by carbonizing.


CONCLUSIONS
The Puerarin content in the root of Pueraria lobata is affected by drug-processing.
Liu
S
S
Faculty of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100029.
Wang
J
J
Liu
C
C
Wen
G
G
Liu
Y
Y
D002851:Chromatography, High Pressure Liquid; D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D006358:Hot Temperature; D007529:Isoflavones / Q000032:analysis*; D018517:Plant Roots / Q000737:chemistry; D029908:Pueraria / Q000737:chemistry*; D013678:Technology, Pharmaceutical / Q000379:methods
D004365:Drugs, Chinese Herbal; D007529:Isoflavones; C033607:puerarin