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  Indian J Med Microbiol
 

Figure 12: Quantification of identified polycyclic aromatic hydrocarbon's in Portulaca oleracea . Formula = (C × V/m) C = value of “x” which reflects the concentration, to be calculated from calibration curve straight line equation. V = final volume including dilution factor (if any) (2 mL). m = weight of the main extract in g (value of “m” for control and sample are 0.056 g and 0.067 respectively)

Figure 12: Quantification of identified polycyclic aromatic hydrocarbon's in <i>Portulaca oleracea</i> . Formula = (C × V/m) C = value of “x” which reflects the concentration, to be calculated from calibration curve straight line equation. <i>V</i> = final volume including dilution factor (if any) (2 mL). <i>m</i> = weight of the main extract in g (value of “m” for control and sample are 0.056 g and 0.067 respectively)