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1. METHODS: Separate seellera chamaejasmel by column chromatography and abstracting.

2. Polyamide and silica gel column chromatography was used to isolate and extract the analgesic and antemetic constituents.

3. Analytical methods of phospholipids, TLC, column chromatography, HPLC and GC are introduced in this paper.

4. Methods: The constituents were separated and purified by column chromatography normal phase silica gel and polyamide.

5. The crude products were purified by neutral alumina column Chromatography with dichloromethane containing pyridine as eluent.

6. Results Galangin was obtained by on - step column chromatography of polyamide only once.

7. They were extracted and isolated by solvent and column chromatography.

8. Angustum E. Busch from acetoacetate. Methods Column chromatography was used to separate and purify the chemical constituents.

9. The extracts were separated by silica gel column chromatography, thin-layer chromatography and paper chromatography.

10. The solvent extraction and upstream silica gel column chromatography are combined to separate galanthamine.

11. Results Galangin was obtained step column chromatography of polyamide only once.

12. This paper studied the method for silica column chromatography method for analysis and quantity of alkanolamide.

13. Methods:The constituents were isolated and purified by using column chromatography with polyamide and appraised by thin-layer chromatography and Ultraviolet spectrometry.

14. Silica gel column chromatography and solvent extraction were used to separate grease and abradant in a kind of excellent polishing paste for plastics,(sentencedict.com) respectively.

15. To set up a sephadex column chromatography method for the determination of polymer impurity in cefotetan disodium.

16. Organic phosphorus by acetone extraction, gel column chromatography purification, HP-5 silica capillary column chromatography, flame-ray detector.

17. AS - 2 thus obtained homogeneous as shown by Sepharose CL - 4 B column chromatography and cellulose acetate film electrophoresis.

18. METHODS CTX - dwas fractionated and purified from Naja naja atra venom by column chromatography and RP - HPLC .

19. A new method for separating and purifying p - AAB ( p - aminoazobenzene ) by dry - column chromatography is developed.

20. Calmodulin - dependent cyclic nucleotide phosphodiesterase was prepared from bovine brain by two - step DEAE - cellulose column chromatography.

21. The inhibin plasmid DNA was extracted and purified by alkaline lysis method and DEAE-fiber column chromatography and its concn.

22. The analysis and separation of complex samples by multidimensional liquid column chromatography are paid more attentions.

23. Sesamol was isolated from sesame oil by countercurrent extraction, column chromatography, crystallization. This method was a reference for sesame processing.

24. The pepsin hydrolysate of deep-sea redfish skin was separated into three fractions by DEAE-cellulose column chromatography.

25. The effective and active components in bamboo leaves were separated using gradient elution and column chromatography.

26. Results Pure flavonol and flavanonol were obtained by the column chromatography of polyamide .

27. The fibrinolytic principle was obtained by twice DEAE-Sephadex A-50 column chromatography and Sephadex G-100 gel filtration from the venom of Agkistrodon halys Pallas.

28. Methods The total flavone of Juglans regia folium was abstracted bydissolvent and column chromatography.

29. This research was manage to separate them by dry column chromatography.

30. Solanesol was isolated and purified from the extracts of potato leaves by column chromatography, and RP-HPLC method was established for determining the content of solanesol.