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2010•Chinese Journal of Modern Drug ApplicationRequires access

Studies on separation and purification of flavonoids from the testa of Ginkgo biloba L. by macroporous adsorption resin

XI Guo-pin

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Abstract

From the9 kinds of different macroporous adsorption resins,the DM-130 resin which the adsorption performance was 6. 59 mg/g and desorption ratio was over 90% was selected to separate the flavonoids from the testa of Ginkgo biloba L . The experiment results showed: increasing temperature and pH could improve the adsorption quantity of DM-130. The desorption ratio of over 90% could be gotten by using 90% EtoH as eluting solvent and 4-5BV. Under these experiment conditions,the content of flavonoids in products was 25. 87% and the yield was 2. 68% .

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What this paper is about

From the9 kinds of different macroporous adsorption resins,the DM-130 resin which the adsorption performance was 6. 59 mg/g and desorption ratio was over 90% was selected to separate the flavonoids from the testa of Ginkgo biloba L . The experiment results showed: increasing temperature and pH could improve the adsorption quantity of DM-130. The desorption ratio of over 90% could be gotten by using 90% EtoH as eluting solvent and 4-5BV. Under these experiment conditions,the content of flavonoids in products was 25. 87% and the yield was 2. 68% .

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Available abstract

From the9 kinds of different macroporous adsorption resins,the DM-130 resin which the adsorption performance was 6. 59 mg/g and desorption ratio was over 90% was selected to separate the flavonoids from the testa of Ginkgo biloba L . The experiment results showed: increasing temperature and pH could improve the adsorption quantity of DM-130. The desorption ratio of over 90% could be gotten by using 90% EtoH as eluting solvent and 4-5BV. Under these experiment conditions,the content of flavonoids in products was 25. 87% and the yield was 2. 68% .

Key concepts: Ginkgo biloba, Chemistry, Adsorption, Ginkgo, Chromatography, Desorption, Yield (engineering), Solvent

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