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  Indian J Med Microbiol
 

Figure 2: High performance liquid chromatography chromatograms of mixed standards (a) and 95% ethanolic extract of Gynura procumbens (b) obtained using ZORBAX Eclipse Plus Phenyl-Hexyl (250 × 4.6 mm, 5 μm particle size) column and ultraviolet–visible detector operated at 340 nm. (1) Chlorogenic acid, (2) 3,4-dicaffeoylquinic acid, (3) 3,5-dicaffeoylquinic acid, and (4) 4,5-dicaffeoylquinic acid

Figure 2: High performance liquid chromatography chromatograms of mixed standards (a) and 95% ethanolic extract of <i>Gynura procumbens</i> (b) obtained using ZORBAX Eclipse Plus Phenyl-Hexyl (250 × 4.6 mm, 5 μm particle size) column and ultraviolet–visible detector operated at 340 nm. (1) Chlorogenic acid, (2) 3,4-dicaffeoylquinic acid, (3) 3,5-dicaffeoylquinic acid, and (4) 4,5-dicaffeoylquinic acid