Figure 3.
HPLC chromatograms. (A) blank sample (DMSO); (B) CUR in solution; (C) CUR retained in the skin; (D) BDMC in solution; (E) BDMC retained in the skin; (F) CAT in solution; (G) CAT retained in the skin; (H) HPLC chromatogram of the mixture of the three curcuminoids, CUR, BDMC and CAT; and (I) chromatogram of the three curcuminoids extracted from the skin.