Quantitative Determination and Variation Tendencies of Flavonoids in Five Selaginella Plant Drugs

Weifang Long¹, Qi Ding¹, Yujie Chen², Jiqing Hu¹, Luyang Li¹, Fei Zhang¹ and Dingrong Wan^{1,3* 1}Department of Pharmacy, College of Pharmacy, South-Central University for Nationalities, Wuhan, China. ²Department of Pharmacy, Hainan Provincial Key Laboratory of R & D of Tropical Herbs, School of Pharmacy, Hainan Medical University, Haikou, China. 3The Modernization Engineering Technology Research Center of Ethnic Minority Medicine of Hubei Province, China.