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. 2021 Jan 7;22(2):524. doi: 10.3390/ijms22020524

Figure 1.

Figure 1

Plasma analyses after KE ingestion. Plasma β-hydroxybutyrate (βHB)and 1,3-butanediol levels (a). Total ion LC-MS chromatograms (TIC) acquired in positive spectrometry mode of plasma samples from 0.9% NaCl-gavaged control mice (b) from KE-gavaged mice (3 mg KE/g of body weight) (c) (* KE peak on the TIC chromatogram). Extracted ion chromatograms of KE (d) and its metabolites butanediol (e) and β-hydroxybutyrate (f) from plasma of KE-gavaged mice (in electrospray ionization source produced butanediol from KE (**) and β-hydroxybutyrate from KE (***). Levels of KE metabolites (butanediol [M+H]+ (g) and β-hydroxybutyrate [M−H]− (h)) from the plasma of mice 30 min after NaCl or KE gavage (n = 5).