1. Dark, distinctive red color orange Smilax.

2. It is the time to Smilax glabra.

3. It was found that both Smilax china L and Smilax glabra Roxb contain alkaloid.

4. Methods Resveratrol of samples from 17 species of Smilax in China were analyzed by HPLC.

5. Flavonoids in the roots of Smilax China L were analyzed qualitatively.

6. It was found that the roots of Smilax China L contained flavone, flavonol, dihydroflavone and dihydroflavonol etc.

7. To investigate the best condition of the Rhizoma Smilax China extraction.

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8. Alkaloid in the roots of Smilax china L and Smilax glabra Roxb were analysed qualitatively.

9. Objective To determine the content of resveratrol from 17 species of Smilax sample in China.

10. OBJECTIVE To establish a RP-HPLC method for the determination of kaempferol and quercetin in Smilax china L. , and to investigate their contents in different places.

11. Conclusion The study may provide reliable foundation for forther development and utilization of Smilax in China.

12. Delta forest undergrowth landscape. There were 24 plots whose vine species were less than 4. Smilax china, Millettia dielsiana, Tetracera asiatica, Lygodium flexuosum were vine common species.

13. Objective : To compare the content of the active ingredient resveratrol in Smilax china from different habitats.