Fig. 6

Screening of potential therapeutic material basis of ZTOI in target tissues. DAD chromatogram spectrum at 210 nm of ZTOI (A); total ion chromatogram spectrum of ZTOI (B); extracted ion chromatogram spectra of blood (C), feces (D), and lung (E) samples (black: m/z 237.1773 ± 0.005, red: m/z 219.1668 ± 0.005, blue: m/z 217.1538 ± 0.005); detailed fragmentation pathway of curdione (F) and germacrone (G)