In this study, a method for quantification of six human milk oligosaccharides, namely 2'-fucosyllactose, 3`-fucosyllactose, 3'-sialyllactose, 6'-sialyllactose, lacto-N-tetraose, and lacto-N-neotetraose in breast milk has been developed and validated. The method is based on the HPAE-PAD technique for carbohydrate determinations without sample derivatization. With an on-line sample cleanup using a polymeric reversed-phase column, a “dilute-and-shoot” sample preparation scheme was applied, which significantly reduces sample handling time and therefore increases sample throughput.
