银杏提取物中的有效成分主要为黄酮甙和萜类内酯。
The effective ingredients in the extract are flavones and terpenes.
目的测定银杏叶片中总黄酮醇苷和银杏萜类内酯的含量。
OBJECTIVE to detect the total flavonol glycosides and terpene lactones in Ginkgo leaf tablets.
银杏叶提取物的主要成分黄酮和萜类内酯有着重要的医学价值。
There is an important medical value of the Ketone and Terpene which are extracted from Ginkgo leaf.
目的：对国内外20个厂家银杏叶提取物制剂中萜类内酯的含量进行考察，以对比国内外银杏叶制剂的质量状况。
OBJECTIVES:To inspect on the contents of terpenlactones in the preparation of Ginkgo biloba extract of 20 pharmaceutical factories home and abroad, and to compare their quality conditions.
银杏茎中萜类内酯含量最低，相当于叶含量的1/3和根含量的1/2。叶中白果内酯含量在总萜类内酯中所占比例较高，而在根和茎中所占比例则较低。
Terpene lactone content of stem were the lowest, corresponding to 1/3 of leaves and 1/2 of root while bilobalide in leaves had a high ratio of total terpene lactone.
银杏茎中萜类内酯含量最低，相当于叶含量的1/3和根含量的1/2。叶中白果内酯含量在总萜类内酯中所占比例较高，而在根和茎中所占比例则较低。
Terpene lactone content of stem were the lowest, corresponding to 1/3 of leaves and 1/2 of root while bilobalide in leaves had a high ratio of total terpene lactone.
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