The Inhibitory Effect of Prunella vulgaris L. on Aldose Reductase and Protein Glycation

Table 6

Antioxidant effects of the P. vulgaris L. on inhibition of the ABTS^•+.

Fraction	Concentration (𝜇g/mL)	Inhibition (%)	IC50 (𝜇g/mL)
	16.67	99.44 ± 0.20
Trolox^a	3.33	45.48 ± 1.20	3.84 ± 0.10
	1.67	21.76 ± 1.15
	33.33	84.60 ± 1.17
Water extract	16.67	63.67 ± 1.27	12.42 ± 0.47
	8.33	33.98 ± 1.51
n-Hexane fr.	33.33	14.73 ± 0.39	—
	33.33	95.03 ± 0.65
Methylene chloride fr.	16.67	69.59 ± 0.84	9.92 ± 0.16
	8.33	43.36 ± 0.57
	8.33	96.99 ± 0.32
Ethyl acetate fr.	3.33	62.39 ± 0.83	2.59 ± 0.05
	1.67	30.64 ± 0.93
	16.67	97.66 ± 0.16
n-Butanol fr.	8.33	71.54 ± 1.18	5.15 ± 0.07
	3.33	31.36 ± 0.62
Water fr.	33.33	42.86 ± 1.63	—

Inhibition rates were calculated as percentages with respect to the control value. ^aTrolox was used as positive control. Inhibitory effect was expressed as mean ± SD of triplicate experiments.