Figure 5

1H HR MAS SSNMR spectra of paprika powder spiked with Sudan I at various concentrations (0, 225, 675, 1350, 1800, and 2250 mg kg−1).

1H HR MAS SSNMR spectra of paprika powder spiked with Sudan I at various concentrations (0, 225, 675, 1350, 1800, and 2250 mg kg−1).