Highly oxygenated ecdysteroids from Vitex canescens root bark

Highly oxygenated ecdysteroids, (24 R)-11α,20,24-trihydroxyecdysone and 11α,20,26-trihydroxyecdysone, have been isolated from the polar fraction of Vitex canescens root bark. The latter exists as two C-25 epimers which could be separated by reversed-phase HPLC.

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Bibliographische Detailangaben
Veröffentlicht in:	Phytochemistry (Oxford) 2000-04, Vol.53 (8), p.921-924
Hauptverfasser:	Suksamrarn, A., Promrangsan, N., Jintasirikul, A.
Format:	Artikel
Sprache:	eng
Schlagworte:	(24 R)-11α,20,24-Trihydroxyecdysone 11α,20,26-Trihydroxyecdysone Biological and medical sciences Chemical constitution Chromatography, High Pressure Liquid Chromatography, Thin Layer Ecdysteroids Fundamental and applied biological sciences. Psychology Magnetic Resonance Spectroscopy Plant physiology and development Plant Roots - chemistry Plants, Medicinal Root bark Spectrometry, Mass, Fast Atom Bombardment Stereoisomerism Steroids - chemistry Steroids - isolation & purification Verbenaceae Vitex - chemistry Vitex canescens
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Beschreibung
Zusammenfassung:	Highly oxygenated ecdysteroids, (24 R)-11α,20,24-trihydroxyecdysone and 11α,20,26-trihydroxyecdysone, have been isolated from the polar fraction of Vitex canescens root bark. The latter exists as two C-25 epimers which could be separated by reversed-phase HPLC.
ISSN:	0031-9422 1873-3700
DOI:	10.1016/S0031-9422(99)00458-6