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. 2018 Aug 13;9:822. doi: 10.3389/fphar.2018.00822

FIGURE 2.

FIGURE 2

Chromatograms of high-performance liquid chromatography: (A) patulin in acetonitrile as a buffer system (100 μg/L); (B) patulin in apple juice (100 μg/L). The figure inset shows the calibration curve.