摘要
目的 :通过测定松果菊中菊苣酸的含量、分析松果菊有效成分的变化规律。方法 :采用反相HPLC法测定。结果 :松果菊根的菊苣酸含量是 5月的幼苗期最高 ,花的菊苣酸含量是 7月中旬的盛花期最高 ,茎的菊苣酸含量普遍偏低 ;地上部分药材的菊苣酸含量是 7月中旬的盛花期最高。结论 :建立了稳定、可靠的菊苣酸的含量测定方法。
Objective: To analyze the natural change rule of active components of E. purpuea by measuring content of cichoric acid. Method: Reverse HPLC method was used. Result: The maximum cichoric acid content of the roots occured in seedling age of May, and that of the flowers occured in blooming stage of mid July, but cichoric acid in stems was generally low anyway. The maximum content of cichoric acid in the plant above ground occured in the blooming stage of mid July. Conclusion: The measuring method of content of cichoric acid is successful and reliable. The optimum stage of harvest in Echinacea purpuea shoud be guided by natural change rule of cichoric acid content.
出处
《中国中药杂志》
CAS
CSCD
北大核心
2002年第6期418-420,共3页
China Journal of Chinese Materia Medica
基金
国家中医药管理局重大科技开发项目[国中医药发 (2 0 0 1) 10号 ]
