An air-assisted dispersive liquid phase microextraction method based on a hydrophobic magnetic deep eutectic solvent for the extraction and preconcentration of melamine from milk and milk-based products

Adil Elik; Seçkin Fesliyan; Nevcihan Gürsoy; Hameed Haq; Roberto Castro Munoz; Nail Altunay

doi:10.1016/j.foodchem.2023.136573

An air-assisted dispersive liquid phase microextraction method based on a hydrophobic magnetic deep eutectic solvent for the extraction and preconcentration of melamine from milk and milk-based products

Abstrakt

In the current research, a fast and sustainable air-assisted hydrophobic magnetic deep eutectic solvent-based dispersive liquid phase microextraction followed by UV–Vis spectrophotometry measurements was optimized for the extraction and determination of melamine in milk and milk-based products. The central composite design was applied for the optimization of factors affecting the recovery of melamine. Quantitative extraction of melamine was achieved using hydrophobic magnetic deep eutectic solvents prepared from a mixture of octanoic acid, aliquat-336, and cobalt(II) chloride. The optimum conditions for extraction were found as follows: 6 extraction cycles, pH 8.2, extraction solvent volume 260 µL, and acetone volume 125 µL. Interestingly, a centrifugation step was not required to achieve phase separation. Under the optimum conditions, melamine was determined in the linear range of 3–600 ng mL−1, the limit of detection (3Sblank/m) of 0.9 ng mL−1, and the enrichment factor of 144. The validation of the method was investigated by the analysis of reference materials. Consequently, the method was successfully applied for the analysis of melamine residues in milk and milk-based products.

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Słowa kluczowe

MELAMINEMILK-BASED PRODUCTSDISPERSIVE LIQUID PHASE MICROEXTRACTIONMULTIVARIATE OPTIMIZATIONHYDROPHOBIC MAGNETIC DEEP EUTECTIC SOLVENT

Informacje szczegółowe

Kategoria:

Publikacja w czasopiśmie

Typ:

artykuły w czasopismach

Opublikowano w:

FOOD CHEMISTRY
ISSN: 0308-8146

Język:

angielski

Rok wydania:

2023

Opis bibliograficzny:

Elik A., Fesliyan S., Gürsoy N., Haq H., Castro Munoz R., Altunay N.: An air-assisted dispersive liquid phase microextraction method based on a hydrophobic magnetic deep eutectic solvent for the extraction and preconcentration of melamine from milk and milk-based products// FOOD CHEMISTRY -,iss. 426 (2023), s.136573-

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