Phlobaphenes (or phlobaphens, CAS No.:71663-19-9) are reddish, alcohol-soluble and water-insoluble phenolic substances. They can be extracted from plants, or be the result from treatment of tannin extracts with
mineral acids (tanner's red). The name
phlobaphen come from the
Greek roots φλoιὀς (
phloios) meaning
bark and βαφή (
baphe) meaning
dye.