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  Indian J Med Microbiol
 

Figure 4: Pre high-speed counter-current chromatography chromatogram of petroleum ether extract of Tussilago farfara L. Two-phase solvent system: (n-hexane:methanol:water [5:8:2, v/v/v]), sample size 800 mg crude sample dissolved in 10 mL of the upper phase and 10 mL of the lower phase; 1: 2,2-dimethyl-6-acetylchromanone, 2: tussilagone, 3: 14-acetoxy-7 β-(3'-ethylcis-crotonoyloxy)-lα-(2'-methylbutyryloxy)-notonipetranone (80 mm × 56.6 mm)

Figure 4: Pre high-speed counter-current chromatography chromatogram of petroleum ether extract of <i>Tussilago farfara</i> L. Two-phase solvent system: (n-hexane:methanol:water [5:8:2, v/v/v]), sample size 800 mg crude sample dissolved in 10 mL of the upper phase and 10 mL of the lower phase; 1: 2,2-dimethyl-6-acetylchromanone, 2: tussilagone, 3: 14-acetoxy-7 β-(3'-ethylcis-crotonoyloxy)-lα-(2'-methylbutyryloxy)-notonipetranone (80 mm × 56.6 mm)