High-performance extraction of alkaloids using aqueous two-phase systems with ionic liquids

abstract

Ionic-liquid-based aqueous two-phase systems are great candidates for the replacement of volatile organic compounds in typical liquid-liquid extractions. This work shows clear evidence for the complete extraction of alkaloids such as caffeine and nicotine using a single-step procedure.

keywords

BIPHASIC SYSTEMS; SALTING-OUT; PRECIPITATION; PROTEINS; WATER

subject category

Chemistry; Science & Technology - Other Topics

authors

Freire, MG; Neves, CMSS; Marrucho, IM; Lopes, JNC; Rebelo, LPN; Coutinho, JAP

our authors

acknowledgements

We thank the Fundacao para a Ciencia e Tecnologia for grant number SFRH/BPD/41781/2007 and project PTDC/EQU-FTT/65252/2006.

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