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. 2021 Nov 3;12:6339. doi: 10.1038/s41467-021-26633-w

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 2 — a Hierarchical cluster analysis of oxidized PC16:0/18:2 was generated in several peroxidation systems in vitro. The color reflects normalized MS peak area of each oxPC using log₁₀ transformation and autoscaling. b–d MS peak areas of typical oxidized PC16:0/18:2 observed in each LPO system. b PC16:0_18:2;OOH, c PC16:0_18:2;oxo, and d PC16:0_18:2;O2. Data are presented as the mean + standard deviation of three repeated experiments. MS peak area of each adduct is calculated from the corresponding extracted ion chromatogram peak area. LC/HRMS/MS data were obtained by using parallel reaction monitoring (PRM) in the negative ion mode. Source data are provided as a Source Data file.