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. 2020 Dec 30;10(1):108. doi: 10.3390/jcm10010108

Figure 3.

Figure 3

Representative Chromatogram of p-Coumaric acid (top) and internal standard (bottom) in human plasma. (A) Chromatogram profile of a blank plasma spiked with 500 µg/mL internal standard, (B) Chromatogram profile of plasma sample spiked with p-CA 0.2 ng/mL (LLOQ) and 500 µg/mL internal standard, (C) Chromatogram profile of plasma sample spiked with p-CA 20 ng/mL (ULOQ) and 500 µg/mL internal standard.