[Study on extraction process of the volatile oil for biyuan dropping pills].
OBJECTIVE
To determine the optimal extracting process of the volatile oil for Biyuan Dropping Pills.


METHODS
Conditions for the extraction were studied by orthogonal design guided by the increasement of the volatile oil.


RESULTS
The distilling time is the main factor,and the fineness of the herbal material is the second. The optimal process is as follows: crush the herbal material into coarse powder, macerate 1 hour with 9 times water and distill 4 hours.


CONCLUSIONS
The optimized process is feasible and stable.
Meng
Xiangping
X
Bioengneering Department of Jinan University, Guangzhou.
Wang
Zhiping
Z
Wang
Yifei
Y
Li
Guishengi
G
Yang
Ke
K
D000704:Analysis of Variance; D000893:Anti-Inflammatory Agents / Q000302:isolation & purification*; D004338:Drug Combinations; D004365:Drugs, Chinese Herbal / Q000737:chemistry / Q000302:isolation & purification*; D029562:Magnoliaceae / Q000737:chemistry; D009822:Oils, Volatile / Q000302:isolation & purification*; D010946:Plants, Medicinal / Q000737:chemistry*; D012220:Rhinitis; D013678:Technology, Pharmaceutical / Q000379:methods*; D013997:Time Factors
D000893:Anti-Inflammatory Agents; D004338:Drug Combinations; D004365:Drugs, Chinese Herbal; D009822:Oils, Volatile