Validation of a method for the determination of sterols and triterpenes in the aerial part of Justicia anselliana (Nees) T. Anders by capillary gas chromatography.
[en] An accurate and sensitive method, combining soxhlet extraction, solid phase-extraction and capillary gas chromatography is described for the quantitative determination of one triterpene (lupeol) and three sterols (stigmasterol, campesterol and beta-sitosterol) and the detection of another triterpene (alpha-amyrin) from the aerial part of Justicia anselliana. This is the first method allowing the quantification of sterols and triterpenes in this plant. It has been fully validated in order to be able to compare the sterol and triterpene composition of different samples of J. anselliana and therefore help to explain the allelopathic activity due to these compounds. This method showed that the aerial part of J. anselliana contained (292+/-2)mg/kg of lupeol, (206+/-1)mg/kg of stigmasterol, (266+/-2)mg/kg of campesterol and (184+/-9)mg/kg of beta-sitosterol.
Disciplines :
Pharmacy, pharmacology & toxicology
Author, co-author :
Kpoviessi, Dossou Sika Salome
Gbaguidi, Fernand
Gbenou, Joachim
Accrombessi, Georges
Moudachirou, Mansourou
Rozet, Eric ; Université de Liège - ULiège > Département de pharmacie > Chimie analytique
Hubert, Philippe ; Université de Liège - ULiège > Département de pharmacie > Chimie analytique
Quetin-Leclercq, Joelle
Language :
English
Title :
Validation of a method for the determination of sterols and triterpenes in the aerial part of Justicia anselliana (Nees) T. Anders by capillary gas chromatography.
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