Fig. 4From: In vitro assessment of metabolic profile of Enterococcus strains of human originTotal reducing power of Enterococcus strains cell-free supernatant by FRAP assay. The reduction activity of cell-free supernatants was measured by absorbance at 700 nm and compared with Trolox, a synthetic antioxidant. Columns with different letters are significantly different p < 0.05Back to article page