The standard meal consisted of 1 unit of cereal with whole milk ... by reverse-phase high performance liquid chromatography (HPLC) with UV detection, using a previously validated method.

Sodium tetraborat (Ponreac Quimica SA, Espain), Methanol (Lichrosolv, HPLC grad > 99.8% pure), Second water {was obtained using a Milliq system with Q-PAK Purification Paks (Millipore Corp., Bedford, ...