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. 2019 Nov 20;67(50):13969–13977. doi: 10.1021/acs.jafc.9b05968

Figure 2.

Figure 2

HPAEC–PAD chromatograms of pGOS (control, first line) and pGOS after the growth of probiotic strains. For each strain, pGOS composition was analyzed in n = 3 biological replicates (numbers 1, 2, and 4 indicate Gal, Glc, and lactose, respectively). Other numbers indicate single pGOS compounds that were not utilized by the strains at the stationary growth phase (Figures 1 and 3). Bifidobacterium strains were grown in a carbon source-free Bifidobacterium medium with 5 mg/mL pGOS added for 25–32 h. LAB strains were grown in modified MRS-medium with 5 mg/mL pGOS added for 18 h. Peaks marked * are non-GOS peaks stemming from the growth medium.