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. 2019 Jun 24;14(6):e0216817. doi: 10.1371/journal.pone.0216817

Table 3. Semi-quantitative analysis of primary lipid oxidation products and final oxidation products.

Plasma exposure time (min) Primary lipid oxidation products and >C = O in ester bonds Final oxidation products and >C = O in carboxyl acids
0 1.27 ± 0.06 a 0.67 ± 0.02 c
3 1.16 ± 0.04 a 0.64 ± 0.06 c
30 0.79 ± 0. 05 b 0.76 ± 0.01 d

Primary and secondary lipid oxidation products were measured by spectral band areas at 1,740–45 cm-1 and 1,715–20 cm-1, respectively. Spectral band area values were obtained from the average spectra calculated at each plasma exposure time (0, 3, and 30 min). Results are the average of three independent experiments. Each experiment was performed in duplicates. Different letters indicate significant differences at α = 0.05.