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  Indian J Med Microbiol
 

Figure 3: High-performance liquid chromatography chromatograms of (a) ethyl acetate fraction, (b) butanol fraction, and (c) standardized extract of Hypericum perforatum with diode array detection at 340 nm. (1) Rutin, (2) quercitrin (quercetin 3-O-rhamnoside), (3) quercetin, and (4) unidentified flavonoid. For chromatographic conditions, see Materials and Methods section

Figure 3: High-performance liquid chromatography chromatograms of (a) ethyl acetate fraction, (b) butanol fraction, and (c) standardized extract of <i>Hypericum perforatum</i> with diode array detection at 340 nm. (1) Rutin, (2) quercitrin (quercetin 3-<i>O</i>-rhamnoside), (3) quercetin, and (4) unidentified flavonoid. For chromatographic conditions, see Materials and Methods section