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  Indian J Med Microbiol
 

Figure 2: Ultraviolet-visible spectroscopy of the reference compounds: Rosmarinic acid (a), 3'-hydroxy-5, 6, 7, 4'-tetramethoxyflavone (b), sinensetin (c) and eupatorin (d). The spectra were collected by scanning the peaks at their start, apex and end

Figure 2: Ultraviolet-visible spectroscopy of the reference compounds: Rosmarinic acid (a), 3'-hydroxy-5, 6, 7, 4'-tetramethoxyflavone (b), sinensetin (c) and eupatorin (d). The spectra were collected by scanning the peaks at their start, apex and end