Title: Aplicações de CE-DAD E HPLC-DAD-ESI/MS na determinação de compostos fenolicos, metilxantinas e acidos organicos em bebidas
Abstract: Chemicals……………………………………………………………………… 2.2.Sample preparation…………………………………………………………….2.3.µLC analysis of the aglycones………………………………………………… 2.4.HPLC analysis of the phenolic compounds and the purine alkaloids ………... 2.5.ESI/MS analysis……………………………………………………………….. 2.6.Statistical analysis……………………………………………………………... 3. Results and discussion……………………………………………………………...... 3.1 Flavonol identification and performance of the quantitative method………….. 3