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Pressurized liquid extraction of medicinal plants

B Benthin¹, H Danz, M Hamburger

¹Institute of Pharmacy, Friedrich-Schiller-University Jena, Germany.

Journal of Chromatography. A

|May 5, 1999

Abstract:

The suitability of pressurized liquid extraction (PLE) in medicinal plant analysis was investigated. PLE extracts from a selection of representative herbs were compared with extracts obtained according to Pharmacopoeia monographs with respect to yield of relevant plant constituents, extraction time and solvent consumption. In all cases a significant economy in time and solvents was realized, while extraction yields of the analytes were equivalent or higher.

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