Flavonoids, C-ring

Welford, R.W.D. et al., Evidence for oxidation at C-3 of the flavonoid C-ring during anthocyanin biosynthesis. Chem. Commun., 1828, 2001. 

Winter, J., Popoff, M.R., Grimont, P., and Bokkenheuser, V.D., Clostridium orbiscindens sp. nov., a human intestinal bacterium capable of cleaving the flavonoid C-ring, Int. J. Syst. Bacterial, 41, 355, 1991. 

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