All chemicals and monosaccharide standards were at least of analytical grade and purchased from Sigma-Aldrich (St. Louis, MO, USA). The dextran Mw narrow standards were supplied by Pharmacosmos A/S (Holbaek, Denmark). In addition, 50%w/v sodium hydroxide extra pure solution for anion exchange chromatography eluent preparation was sourced from Acros Organics (Geel, Belgium).
Bacteroides galacturonicus (DSM 3978) and Bacteroides xylanisolvens (DSM 18836) were sourced from the DSMZ (Braunschweig, Germany). Lactobacillus rhamnosus GG (ATCC 53103), Bifidobacterium longum subsp. infantis (ATCC 15697), and Lactobacillus plantarum subsp. plantarum (ATCC 14917) were sourced from the ATCC (Manassas, VA, USA). Bacteroides thetaiotaomicron and Bifidobacterium faecale were isolated from human stool samples, as described in [30 (link)].
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