date:Nov 23, 2012
rmine the water-soluble vitamins and the HPLC-DAD to determine the fat-soluble vitamins. The optimized sequential extraction analysis procedure is resulted to be an appropriate methodology for the simultaneous determination of a whole range of water- and fat-soluble vitamins, with different chemical structures in complex samples. The procedure allows a complete analysis of all the vitamins in less than 100 minutes of total analysis time, including extraction and determination, with a recovery pe