Fig. 1

LC-ESI-Q/TOF-MS characteristic chromatogram of LZ formula, lung function parameters. A.Total ion chromatograms (TIC) of Looki zoofa sample[1: caffeic acid methyl este; 2: Tectorigenin A; 3: Iristectorin A; 4: Luteolin-7-O-β-d-glucuronide; 5: Luteolin-7-O-β-d-glucoside; 6: Iristectorigenin A-7-O-β-glucoside; 7: Iristectorin A; 8: rosmarinic acid; 9: Luteolin;10: Acacetin-7-O-β-glucuronide; 11: Apigenin; 12: Iristectorigenin B; 13: Irilone a; 14: 5,7-dihydroxy- 6,4′-dimethoxyisoflavone. B.FEV0.1 s/FVC; C.MMEF; D. PEF; E. FRC. Data expressed as means ± SD. Compared with control: *p < 0.05, **p < 0.01, ***p < 0.001 Compared with model: ^#p < 0.05, ^##p < 0.01, ^###p < 0.001