1. ObjectiveTo compare the content of hydrochloric stachydrine between different harvest periods and different parts in Leonurus japonicus Houtt, and find a proper method to use as medicine.

2. HPLC method for the determination of stachydrine hydrochloride in Yimucao tablets was established.

3. Objective:To establish the determination methods of Stachydrine Hydrochloride in Yi mu Pill by RP—HPLC.

4. METHODS Stachydrine was synthesized from L-proline and CH3I. The synthetic technology was optimized by orthogonal experiment.

5. OBJECTIVE : To determine the contents of hydrochloric stachydrine in the shenning granule by TLC - scanning Method.

6. L. heterophyllus stachydrine can also decrease protein content to some extent (by 5.66%-13.69%), but not as significant as glycogen content.

7. Objective:To develop a HPLC method for the Determination of Stachydrine hydrochloride in Compound Leonurus soft Capsules.

8. Decompose by light was the most important factor to content decline of stachydrine hydrochloride in the storage of herba leonuri.

9. To establish the pre column derivation HPLC method for determination of stachydrine in Qianlietai tablets.

10. Objective: HPLC method was used to determinate the content of stachydrine hydrochloride in Kanggongyan capsule.

11. This paper aimed to introduce the research advances in the distribution(/stachydrine.html), preparation and determination of Stachydrine .

12. Methods Method of capillary zone electrophoresis was developed to establish the fingerprints of Leonurus heterophyllus Injection with the peak of stachydrine as reference.

13. Objective To prepare and determine the in vitro releasing characteristics of stachydrine hydrochloride sustained-release tablets.

14. Conditions for the extraction were studied by orthogonal experimental design as guided by the content of stachydrine present in the extract.

15. Objective:To develop an HPLC method for the determination of the content of Stachydrine in QLTJN.