摘要
目的采用紫外分光光度法测定水红花子中槲皮素的含量。方法在25℃、最大吸收波长为370nm处测吸光度。结果此法线性范围0．004～0．0119g／L内，r=0．9992，平均回收率为96．55％，RSD为0．78％（n=5）。结论用此方法可测量水红花子中槲皮素的含量。方法简便，灵敏度和准确度较高，结果满意。
ObJective The Content of quercetin in Fructus Polygoni Orientalis was determined by spectrophotometry. Methods The detection wavelength was set at 370nm and temperature at 25℃. Results The method was linear within the range of 0.004 - 0.011 9 g/L, r = 0.999 2. The average recovery of assay was 96.55% and RSD 0.78% （ n = 5）. Conclusion The method appeared to be simple, highly accurate. It can be used for the determination of the content of quercetin in Fructus Polygoni Orientalis.
出处
《时珍国医国药》
CAS
CSCD
北大核心
2006年第3期369-369,共1页
Lishizhen Medicine and Materia Medica Research
关键词
水红花子
槲皮素
紫外分光光度法
Fructus Polygoni Orientalis
Quercetin
Spectrophotometry
