Table 2.

Total flavonoid content, reducing power and antioxidant activity (DPPH-RSC, NO-RSC, LP) of examined E. arvense extracts and synthetic antioxidants (BHA, BHT and PG).

Sample	TFC(mg/g DE)	RP[AEAC (µg/mL)]	DPPH-RSC [EC50 (µg/mL)]	NO-RSC[EC50 (µg/mL)]	LP[EC50 (µg/mL)]
EtOAc extract	17,47	1,57	2.37	90.07	14.50
n-BuOH extract	135,01	13,47	7.16	105.90	150.47
H2O extract	4,89	1,56	37.20	>333.33	>192.31
BHA	-	-	2.02	I max=38.01% (Cfinal=42.04 µg/mL)	15.06
BHT	-	-	8.26	Imax=24.47% (Cfinal=73.47 µg/mL)	93.45
PG	-	-	0.49	12.08	37.92

TFC is expressed by mg rutin/g dry extract, RP is expressed by AEAC (µg/mL), DPPH-RSC, NO-RSC and LP are expressed by EC₅₀ (µg/mL)