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J Chromatogr A ; 1105(1-2): 115-8, 2006 Feb 10.
Artículo en Inglés | MEDLINE | ID: mdl-16439256

RESUMEN

This paper describes a comparative study of extraction methods of terpenes (terpenic alcohols and phytosterols), fatty acids and Vitamin E from leaves of Piper gaudichaudianum Kunth. The analysis of extracts was done by gas chromatography with mass spectrometric detection. The identification and quantification was made by co-injections of the extract with certified standards. The use of pressurized liquid extraction (PLE; Dionex trade name: ASE, for accelerated solvent extraction) decrease significantly the total time of extraction, the amount of solvent and the manipulation of sample and solvents in comparison with soxhlet (SE) and ultrasound-assisted (USE). In addition, PLE was more effective for the extractions of terpenes (terpenic alcohols and phytosterols), fatty acids and Vitamin E.


Asunto(s)
Fraccionamiento Químico/métodos , Ácidos Grasos/aislamiento & purificación , Piper/química , Terpenos/aislamiento & purificación , Vitamina E/aislamiento & purificación , Cromatografía de Gases y Espectrometría de Masas , Presión , Ultrasonido
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