摘要
目的 :建立HPLC法测定各种类型银杏叶中银杏内酯的含量。方法 :色谱柱为SUNIERKromasilC1 8(5 μm ,4 6mm×2 5 0mm) ,以 33%甲醇为流动相 ,流速 :1mL·min- 1 ,示差检测器 (RI) ,以银杏内酯A、B、C及白果内酯 4种对照品为对照。结果 :测定了各种类型的银杏叶内酯的含量。结论 :找出了银杏叶的最佳采集时间。
Objective:To determine ginkgolides in various Ginkgo leaves by HPLC.Method:The analysis was performed on SUNIER Kromasil C 18 column(5 μm,46 mm×250 mm) with 33% methanol as mobile phase,at a flow rate of 1 mL·min -1.The differential refractometer was used as detector and ginkgolide A\,B\,C and bilobalide were used as comparison.Result:The content of ginkgolides in various Ginkgo leaves have been determined.Conclusion:The best time of picking Ginkgo leaves was defined.
出处
《药物分析杂志》
CAS
CSCD
北大核心
2001年第2期107-109,共3页
Chinese Journal of Pharmaceutical Analysis
基金
山东省中医药科技发展规划项目!No 972 463 4
