Ito Y, Oka H, Lee YW. Improved high-speed counter-current chromatograph with three multilayer coils connected in series. II. Separation of various biological samples with a semi-preparative column.
J Chromatogr A 1990;
498:169-78. [PMID:
2404024 DOI:
10.1016/s0021-9673(01)84245-x]
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Abstract
The semipreparative capability of the newly developed high-speed counter-current chromatograph equipped with a set of three multilayer coils has been demonstrated in separations of a variety of biological samples including triterpenoic acids, indole auxins, bacitracin, flavonoids and tetracycline derivatives, each with a suitable two-phase solvent system. The sample quantities ranging from 50 to 500 mg were efficiently separated within a few hours. The separation of tetracycline derivatives was remarkably improved by adding ammonium acetate to the solvent system.
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