Table 1.

Reducing power of surfactin, rhamnolipids and vitamin C based on the equivalency to FeSO₄

Sample/antioxidant	Concentration (mM)	Equivalent to FeSO 4 (μM) *
Surfactin	4.5 9	255.2 ± 3.1 1145.2 ± 1.8
Rhamnolipids	4.5 9	143.2 ± 2.9 537.2 ± 3.1
Vitamin C	0.35 0.7 1.4 2.8 5.6	22.8 ± 6.5 235.2 ± 3.7 553.2 ± 5.5 1415 ± 4 2500 ± 3.5

^*Results were the averages of three replicates and represented as mean ± standard deviation.