Fig. 5

The absorbance changes of S. aristata dichloromethane extract (SADE) alone (green line) and in the presence of Cu2+ (orange line), Fe2+ (blue line), and Zn2+ (red line) ions
The absorbance changes of S. aristata dichloromethane extract (SADE) alone (green line) and in the presence of Cu2+ (orange line), Fe2+ (blue line), and Zn2+ (red line) ions