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Tian, G. et al.

Separation of gallic acid from Cornus officinalis Sieb. et Zucc by high-speed counter-current chromatography.

Gallic acid was separated from a n-butanol extract of the fruit of Cornus officinalis Sieb. et Zucc by high-speed countercurrent chromatography in two steps using two solvent systems composed of ethyl-acetate-ethanol n-butanol-water (5:1.8:6, v/v/v) and ethyl acetate-ethanol-water (5:0.5:6, v/v/v) successively. From 1 g of n-butanol extract the method produced 60 mg of gallic acid at a purity of 97%.[1]

References

Separation of gallic acid from Cornus officinalis Sieb. et Zucc by high-speed counter-current chromatography. Tian, G., Zhang, T., Yang, F., Ito, Y. Journal of chromatography. A. (2000) [Pubmed]

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