title: Comparison of alternative and conventional extraction techniques for the determination of zearalenone in corn.
abstract: Naturally contaminated corn samples of different origin were extracted using two conventional techniques (blending and shaking) and three alternative approaches (ultrasonic extraction, accelerated solvent extraction, and microwave-assisted extraction). Use of the same extraction mixture for all trials enabled the efficiency of the various extraction techniques to be compared. Extracts were filtered and directly analyzed by LC-ESI-MS, without further clean-up. The yield from the alternative extraction techniques showed efficiency to be higher than for conventional techniques. In particular, microwave-assisted extraction was slightly superior to other techniques.
authors.affiliation: Food Safety and Quality Unit, Institute for Reference Materials and Measurements, European Commission Joint Research Centre, Retieseweg, 2440, Geel, Belgium.
authors.forename: Lea
authors.initials: L
authors.lastname: Pallaroni
authors.forename: Christoph
authors.initials: C
authors.lastname: Von Holst
mesh_terms: D005591:Chemical Fractionation / Q000379:methods*; D012997:Solvents / Q000737:chemistry; D021241:Spectrometry, Mass, Electrospray Ionization / Q000379:methods; D014463:Ultrasonography / Q000379:methods; D003313:Zea mays / Q000737:chemistry*; D015025:Zearalenone / Q000032:analysis / Q000737:chemistry / Q000302:isolation & purification*
chemical_list: D012997:Solvents; D015025:Zearalenone