Figure 2

Desirability plot revealing the ideal ratios of Cymbopogon citratus (LG), Thymus vulgaris (THY), and Origanum vulgare (ORE) to the simultaneous DPPH radical reducing and ferric ion reducing (FRAP. Results are expressed in percentage (%) of DPPH radical inhibition and in μmol TROLOX equivalent/g for FRAP.