[Study on extraction process of the volatile oil for biyuan dropping pills].

@article{Meng2004StudyOE,
  title={[Study on extraction process of the volatile oil for biyuan dropping pills].},
  author={Xiangping Meng and Zhiping Wang and Yifei Wang and Guishengi Li and Ke Yang},
  journal={Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials},
  year={2004},
  volume={27 11},
  pages={869-71}
}
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. CONCLUSION The optimized process… CONTINUE READING