Figure 6

Elution effects of proanthocyanidins (PAs) purified by silica gel column.
(A), Chromatography of PAs purified by silica gel column stained with Vanillin and DMACA reagents; (B), TLC analysis of different p PAs fractions purified by silica gel column; (C), NP-HPLC analysis of different PAs fractions purified by silica gel column. 1 ~ 9 represent degree of polymerization of PAs.