Extraction of Illegal Dyes from Red Chili Peppers with Cholinium-Based Deep Eutectic Solvents

Figure 7

Chromatograms of the red hot chili peppers (curve 1), the standard of three dyes (each 2 µg/mL, curve 2), and the red hot chili peppers spiked standard solution (each 2.5 µg/mL, curve 3).