Fig. 1

Typical extracted ion chromatograms of the major constituents in JYQHD-medicated serum. JYQHD-medicated serum using liquid chromatography/time-of-flight mass spectrometry. C1: Myricitrin ([M + H]⁺, m/z 464.095); C2: D-fructose ([M−H]⁻, m/z 179.056); C3: Naringin ([M−H]⁻, m/z 579.168); C4: Nobiletin ([M + H]⁺, m/z 403.138); C5: Scutellarin ([M−H]⁻, m/z 461.071); C6: Adenosine ([M + H]⁺, m/z 268.104); C7: Tangeritin ([M + H]⁺, m/z 373.127); C8: Ononin ([M + H]⁺, m/z 431.134); C9: Hesperetin ([M + H]⁺, m/z 611.195); C10: Luteolin ([M−H]⁻, m/z 461.071)