几种绿茶中槲皮素的含量测定及比较

The content determination comparison of quercetin in some green teas

目的:探讨几种绿茶中槲皮素的含量。方法:建立高效液相色谱(HPLC)法分别测定市售龙井、碧螺春、毛峰、毛尖茶叶中槲皮素的含量。结果:高效液相色谱测定系统可以分离得到龙井、碧螺春、毛峰、毛尖茶中的槲皮素,其中龙井的槲皮素含量最高。实验的精密度与重现性好。结论:通过对几种绿茶中槲皮素含量的测定和比较,得出较优者。为人体膳食调节提供理论依据,并为茶叶深加工提供信息。

Objective：To discuss the content of quercetin in some green teas.Methods：Establishing a high-performance liquid chromatography（HPLC） for determination the content of quercetin in the green tea as Longjing, Biluochun, Maofeng , Maojian.Results：The HPLC system may separate obtains the quercetin of green tea,and Longjing tea is highest.Conclusion：Through compares several kind of green teas＇ quercetin content, obtains superior.Provide the theory basis for the human body meals adjustment。