You Position: Home > Paper
Studies on Quality Standard of Dandelions (Taraxacum Weber)
( views:39, downloads:29 )
- Author:
- No author available
- Journal Title:
- CHINESE TRADITIONAL AND HERBAL DRUGS
- Issue:
- 12
- DOI:
- 10.3321/j.issn:0253-2670.1999.12.006
- Key Word:
- 蒲公英;HPLC;咖啡酸;绿原酸;质量标准
Abstract： 用HPLC法测定蒲公英中咖啡酸和绿原酸的含量.采用HP Hypersil C18 色谱柱,200 mm×2.1 mm,5 μm,流动相:甲醇-磷酸盐缓冲溶液(pH=4.2) 23:77,检测波长:323 nm,柱温:40 ℃,流速:1.0 mL/min.该法咖啡酸平均回收率99.80%,RSD 2.14%;绿原酸平均回收率99.54%,RSD 2.69%.本法稳定可靠,为药典建立蒲公英药材的质量标准提供了依据.