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. 2014 Sep 22;463(Pt 2):225–237. doi: 10.1042/BJ20140678

Figure 1. Proposed action of •OH on a polysaccharide chain in aerobic aqueous solution.

Figure 1

The diagram shows some of the proposed reactions with reference to the fate of homogalacturonan (box in centre, where–––=continuation of polysaccharide chain). It illustrates the predicted reactions occurring after •OH abstracts a hydrogen atom from C-1 (reactions c1–c4), C-3 (reactions b1–b3), C-4 (reactions d1–d4) or C-5 (reactions a1–a4). Abstraction of hydrogen from C-2 (not shown) is expected to give products directly comparable with those shown for C-3. Adapted from [30,44].