Article (Scientific journals)
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.
Kpoviessi, Dossou Sika Salome; Gbaguidi, Fernand; Gbenou, Joachim et al.
2008In Journal of Pharmaceutical and Biomedical Analysis, 48 (4), p. 1127-35
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Keywords :
Acanthaceae/chemistry; Calibration; Cholesterol/analogs & derivatives/analysis/chemistry; Chromatography, Gas/methods; Molecular Structure; Phytosterols/analysis/chemistry; Plant Components, Aerial/chemistry; Reference Standards; Reproducibility of Results; Sensitivity and Specificity; Sitosterols/analysis/chemistry; Solid Phase Extraction; Sterols/analysis/chemistry; Stigmasterol/analysis/chemistry; Triterpenes/analysis/chemistry
Abstract :
[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.
Publication date :
2008
Journal title :
Journal of Pharmaceutical and Biomedical Analysis
ISSN :
0731-7085
eISSN :
1873-264X
Publisher :
Elsevier Science, Oxford, United Kingdom
Volume :
48
Issue :
4
Pages :
1127-35
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 14 August 2009

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