Determination of Ginkgolides in Various Ginkgo Leaves
Jian Wang
Abstract
Jian Wang
Abstract
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.
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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.
Key concepts: Ginkgolides, Chemistry, Ginkgo, Chromatography, High-performance liquid chromatography, Traditional medicine, Medicine