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. 2019 Mar 12;6:23. doi: 10.3389/fnut.2019.00023

Figure 2.

Figure 2

Analytical procedures comprising (A) high-performance anion-exchange chromatography with pulsed amperometric detection (HPAEC-PAD). From the complex HMO blend named 25-HMO, 13 compounds were used for quantification (comprise 90% of all oligosaccharides in this blend), and (B) matrix-assisted laser desorption ionization mass spectrometry (MALDI-TOF-MS). The panels show a representative profile of urine from piglets from Experiment 1 fed the standard formula without (left panel) and with (right panel) a 4-HMO blend. The mass-to-charge (m/z) values are given as nominal mass for [M+Na]+ ions.