Determination of hupzine A in Huperzia serrata by HPLC / 中草药

Object To compare the hupzine A (Hup A) in Huperzia serrata (Thunb.) Trev. obtained by different extracting methods and investigate the amount of alkaloids and the content of Hup A from different parts of the plants and from different places. Methods Using HPLC for the determination of Hup A. Results The content of Hup A in the stem and leaf is richer than that in the root. The content of Hup A from Guizhou, Guangdong and Anhui Provinces is 0.018%, 0.021% and 0.020% repectively; The difference of extract method of Hup A is no prominence. Conclusion The content of Hup A in the ground is richer than that of underground, and there are some difference in the content of Hup A obtained from different places.