CPC G01N 30/7233 (2013.01) [G01N 27/62 (2013.01); G01N 30/8675 (2013.01)] | 15 Claims |
1. An analysis method, comprising:
subjecting a sample to liquid chromatography;
performing first mass spectrometry of the sample subjected to the liquid chromatography to detect a first ion corresponding to cholesteryl ester and a second ion corresponding to cholesteryl ester peroxide; and
analyzing a degree of oxidation of the sample based on a ratio between an intensity of the detected first ion and an intensity of the detected second ion.
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