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  Indian J Med Microbiol
 

Figure 3: Chromatogram at 320 nm from Blechnum brasiliense extract (a); ultraviolet spectra of major compounds: peak 1 at 13.73 min (b), and peak 4 at 29.76 min (c). Mass spectrum obtained after MS/MS fragmentation of pseudomolecular ion m/z 357 (359-H2)-, of rosmarinic acid (d)

Figure 3: Chromatogram at 320 nm from <i>Blechnum brasiliense</i> extract (a); ultraviolet spectra of major compounds: peak 1 at 13.73 min (b), and peak 4 at 29.76 min (c). Mass spectrum obtained after MS/MS fragmentation of pseudomolecular ion m/z 357 (359-H<sub>2</sub>)-, of rosmarinic acid (d)