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Reference type: Journal
Authors: Bi W, Tian M, Zhou J, Row KH
Article Title: Task-specific ionic liquid-assisted extraction and separation of astaxanthin from shrimp waste.
Publication date: 2010
Journal: Journal of Chromatography B
Volume: 878
Issue: (24)
Page numbers: 2243-2248.
DOI: 10.1016/j.jchromb.2010.06.034
Alternative URL: http://www.sciencedirect.com/science/article/B6X0P-50FGY88-3/2/ba2d844803ea7e9e6b8ebfa0b3c106dd

Abstract: Astaxanthin, as an outstanding antioxidant reagent, was successfully extracted from shrimp waste by the ionic liquids based ultrasonic-assisted extraction. Seven kinds of imidazolium ionic liquids with different cations and anions were investigated in this work and one task-specific ionic liquid in ethanol with 0.50 mol L-1 was selected as the solvent. At the optimized ultrasonic extraction conditions, the extraction amount of astaxanthin increased 98% (92.7 μg g-1) compared to the conventional method (46.7 μg g-1). Furthermore, the extracted solution was isolated through the solid-phase extraction with a molecularly imprinted polymer sorbent. After loading the samples on molecularly imprinted polymer cartridge, the different washing and elution solvents, such as water, methanol, n-hexane, acetone and dichloromethane, were evaluated, and finally, astaxanthin was separated from the shrimp waste extract
Template and target information: astaxanthin
Author keywords: astaxanthin, Ionic liquid, extraction, separation

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