Total phenolic content (µg GAE/mL), total flavonoid content (µg CE/mL) and total antioxidant capacity of extracts (µg AAE/mL)

ExtractTotal phenolic content (µg GAE/mL)Total flavonoid content (µg CE/mL)Total antioxidant capacity (µg AAE/mL)
Acetone extract of E. purpurea54.97 ± 0.041988.95 ± 0.0710126.38 ± 0.0780
Acetone extract of A. officinalis96.45 ± 0.032154.28 ± 0.014150.91 ± 0.0294
Acetone extract of R. canina181.33 ± 0.094648.63 ± 0.059681.58 ± 0.0618
Acetone extract of G. glabra273.45 ± 0.0932119.55 ± 0.076687.88 ± 0.0434
Chloroform extract of E. purpurea20.09 ± 0.010316.71 ± 0.0424101.96 ± 0.0372
Chloroform extract of A. officinalis87.72 ± 0.054158.7 ± 0.0124247.28 ± 0.0557
Chloroform extract of R. canina17.03 ± 0.012930.81 ± 0.0129208.26 ± 0.0200
Chloroform extract of G. glabra58.51 ± 0.039665.05 ± 0.080178.88 ± 0.0327

AAE: ascorbic acid equivalent; CE: catechin equivalent; GAE: gallic acid equivalent. All values are shown as mean ± standard deviation