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. 2017 May 10;9(8):2122–2135. doi: 10.1093/gbe/evx092

Fig. 2.

Fig. 2.

—NMR analysis of the 23B and 23B1 capsule polysaccharide. (A) 31P NMR spectrum of type 23B and 23B-1 capsular polysaccharide extract, (B) 1H NMR spectrum of the same samples, (C) details of the region of the large peaks (x axis, region from 3 to 4 ppm; 1H NMR spectrum [B]) but with the height of the peaks reduced so they fit in the frame and (D) details of the anomeric region (x axis, region from 4 to 6 ppm) of the 1H NMR spectrum shown in (B). No significant differences between the two strains have been observed in the spectra.