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Zoekresultaten - 29 results

Validation of a Targeted LC-MS/MS Method for Cereulide and Application in Food and Faeces.

were extracted with acetonitrile in the presence of C-cereulide, a labelled internal standard, and purified by centrifugation and filtration. The limits of quantification were 0.5 and 0.3 µg kg for food ...

Development of a reliable UHPLC-MS/MS method for simultaneous determination of zearalenone and zearalenone-14-glucoside in various feed products

impurities and enriching the target analytes in different feeds. The critical parameters affecting the performance of the solid-phase extraction (SPE) procedure were carefully optimized, and 20% acetonitrile ...

All in one method for the analysis of multiclass food additives using UHPLC-MS/MS

in Europe. A QuEChERS based extraction has been devised using acidified acetonitrile as extraction solvent, followed by a C18 and PSA dispersive solid phase extraction step. For the development of the ...

Investigation of migrating substances from textile used as food contact material

evaluate the safety of these “new” food fabrics. A simple ultra-sound assisted extraction of substances from the fabrics was done with acetonitrile to avoid any compound losses. Both a GC- MS full scan ...

Development of a QuEChERS-Based UHPLC-MS/MS Method for Simultaneous Determination of Six Alternaria Toxins in Grapes

chromatography–tandem mass spectrometry (UHPLC- MS / MS). A modified QuEChERS (quick, easy, cheap, effective, rugged, and safe) procedure with the extraction by acetonitrile and purification by sodium chloride (0.5 g) ...

Development and validation of a quantitative UHPLC-MS/MS method for selected brominated flame retardants in food.

acetonitrile followed by a fast dispersive solid-phase extraction (dSPE) clean-up and extraction of the other BFR s with a mixture of hexane and dichloromethane (1:1, v/v) with subsequent clean-up using ...

Determination of halogenated flame retardants in food: optimization and validation of a method based on a two-step clean-up and gas chromatography-mass spectrometry

eggs, cow milk, and extra virgin olive oil, were chosen as representative matrices of the main food categories. After lyophilisation, the food samples were extracted using acetonitrile:toluene (9:1, v/v). ...

Migration of 17 Photoinitiators from Printing Inks and Cardboard into Packaged Food- Results of a Belgian Market Survey

4‐methylbenzophenone (MBP), 4,4′‐bis(dimethylamino)benzophenone (MK) and 4‐phenylbenzophenone (PBZ). Dry foodstuffs were extracted using acetonitrile, followed by the addition of inorganic salts to precipitate fatty ...

Identification of (antioxidative) plants in herbal pharmaceutical preparations and dietary supplements.

Publication Type: Peer reviewed scientific article Authors: Eric Deconinck; Custers, Deborah; De Beer, Jacques Omer Source: Methods Mol Biol, Volume 1208, p.181-99 (2015) Keywords: Acetonitriles ...

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