2011•Chemistry & BioengineeringRequires access

Comparative Study on Purification of Flavonoids in the Testa of Ginkgo Biloba L.by Liquid-Liquid Extraction and Macroporous Adsorption Resin

XI Guo-ping

Abstract

Choosing five kinds of low-pole solvents and three kinds of low-pole macroporous adsorption resins,the purification efficiency of the flavonoids in the testa of Ginkgo biloba L.by liquid-liquid extraction and macroporous adsorption resin were compared.The results showed:using rutin as the contrast,the liquid-liquid extraction was lower than the macroporous adsorption resin in the product mass and the content of flavonoids in product.The DM-130 macroporous adsorption resin had the best efficiency on the purification of flavonoids in the testa of Ginkgo biloba L.,for which the content of flavonoids in product was 25.92%.

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Key concepts: Ginkgo biloba, Chemistry, Adsorption, Rutin, Chromatography, Extraction (chemistry), Ginkgo, Organic chemistry