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Journal of Liquid Chromatography & Related Technologies Volume 29, 2006 - Issue 14
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Original Articles

Role of Preparative Rotation Planar Chromatography in the Isolation of Ecdysteroids

Huba Kalász Department of Pharmacology & Therapeutics, Faculty of Medicine and Health Sciences, United Arab Emirates University, Al Aim
,
Erika Liktor‐Busa Department of Pharmacognosy, University of Szeged, Szeged, Hungary
,
Gábor Janicsák Economical and Botanical Research Institute of the Hungarian Academy of Science, Vácrátót, Hungary
&
Mária Báthori Department of Pharmacognosy, University of Szeged, Szeged, HungaryCorrespondence[email protected]
Pages 2095-2109 | Received 14 Jan 2006, Accepted 15 Feb 2006, Published online: 07 Feb 2007
 
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Abstract

A reliable isolation procedure is elaborated for the purification of ecdysteroids from Serratula wolffii. The procedure is also applicable to other plant sources. The general ecdysteroid isolation procedure was improved by the introduction of preparative rotation planar chromatography (RPC) to the purification process. Effective and simple cleanup and vacuum reversed‐phase column chromatographic separation was completed with RPC, or repeated RPC, to obtain pure ecdysteroids (ajugasterone C, dacryhainansterone, 22‐deoxy‐integristerone A, 20‐hydroxyecdysone, and 2 new ecdysteroids) from the crude extract. This paper discusses the advantages of this method as the final step of ecdysteroid isolation.

Acknowledgment

The advice of Dr. L.S. Ettre is highly appreciated.

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