Figure 6.
DPPH radical-scavenging activities of Fuco stereoisomers and VE as a function of their EC50s. (A) (all-E)-Fuco; (B) 9'Z-Fuco; (C) 13Z- and 13'Z-Fuco; (D) VE. The EC50s were calculated from the % scavenging ability of each compound (Figure 5).