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HU Yun-Hong, PENG Bin, QI Xiao-Qing, LIU Xue-Qun, YU Guang-Hui. Comparative Assay of Superoxide Dismutase and Total Flavone Antioxidant Activities in Leaf-Callus and Leaves of Ginkgo biloba L.[J]. Plant Science Journal, 2010, 28(4): 521-526.
Citation: HU Yun-Hong, PENG Bin, QI Xiao-Qing, LIU Xue-Qun, YU Guang-Hui. Comparative Assay of Superoxide Dismutase and Total Flavone Antioxidant Activities in Leaf-Callus and Leaves of Ginkgo biloba L.[J]. Plant Science Journal, 2010, 28(4): 521-526.
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Comparative Assay of Superoxide Dismutase and Total Flavone Antioxidant Activities in Leaf-Callus and Leaves of Ginkgo biloba L.

  • College of Life Science, South Central University for Nationalities, Wuhan 430074, China

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  • Received Date: August 26, 2009
  • Revised Date: October 27, 2009
  • Published Date: August 29, 2010
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    • Abstract
  • Optimum media for Ginkgo biloba L.leaf callus induction and successive transfer culture were investigated.Callus that arose from Ginkgo leaf explants was used as the research materials,and two varieties of active integrants,superoxide dismutase(SOD) and total flavones,were compared between leaves and its callus.The results demonstrated that SOD activity in callus was markedly higher than that in leaves,as were SOD isoenzymes.However,the content of flavones in callus was lower than that in leaves.The fact that SODs and flavones can scavenge the production of superoxide anion indicated that different predominant mechanisms were used to resist free radicals in Ginkgo callus and leaves.
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