银杏叶萜内酯含量的变化及其与叶绿素荧光特性的关系
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生物资源保护与利用湖北省重点实验室

基金项目:

国家自然科学基金项目(31260057, 31460203);湖北省教育厅教学研究项目(2014336);生物资源保护与利用湖北省重点实验室开放基金项目(PKLHB1503)资助


Changes in Terpene Lactones of Ginkgo biloba and Its Relation with Chlorophyll Fluorescence Characters
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Key Laboratory of Biological Resources Protection and Utilization of Hubei Province

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    摘要:

    为探究银杏(Ginkgo biloba)叶萜类内酯含量和光合同化作用的关系,对其内酯含量和叶绿素荧光特性进行了研究。结果表明,不同采收时间银杏叶中白果内酯和银杏内酯含量有显著差异,总体上,5月份含量较低,此后逐渐升高,8月份达到高峰,然后快速下降,10月底最低;与此同时,银杏叶片的光合色素以及叶绿素荧光参数也呈现周期性变化。白果内酯以及萜内酯含量与叶绿素荧光参数Y(NPQ)之间呈极显著正相关关系,因此,可以通过银杏叶片的叶绿素荧光参数预测白果内酯和萜内酯含量。

    Abstract:

    In order to understand the relationship between contents of terpene lactones and photosynthetic characters in Ginkgo biloba leaves, the contents of terpene lactones were determined and chlorophyll fluorescence features was studied. The results showed that the changes in terpene lactone contents were significant at different harvest time. In general, bilobalide and ginkgolide contents were low in May, then increased gradually, reached peak in August, and afterwards decreased until the end of October. At the same time, the photosynthetic pigment content and chlorophyll fluorescence parameters in leaves showed periodical changes. The contents of bilobalide and lactone had significant positive correlation with chlorophyll fluorescence index of Y(NPQ). So, it was suggested that bilobalide and lactone contents could be forecasted by chlorophyll fluorescence parameters.

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肖强,张峥,周大寨.银杏叶萜内酯含量的变化及其与叶绿素荧光特性的关系[J].热带亚热带植物学报,2015,23(6):683~690

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  • 收稿日期:2015-01-22
  • 最后修改日期:2015-05-05
  • 录用日期:2015-06-15
  • 在线发布日期: 2015-12-01
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