Toxicity of Xanthene Food Dyes by Inhibition of Human Drug-Metabolizing 
Enzymes in a Noncompetitive Manner

<table>Effect of D<sub>2</sub>O (closed circles) and H<sub>2</sub>O (closed squares) on glucuronidation inhibition of p-Nitrophenol by RB.</table>

Journal of Environmental and Public Health

Figure 5: Toxicity of Xanthene Food Dyes by Inhibition of Human Drug-Metabolizing 
Enzymes in a Noncompetitive Manner 