Table 2.

1,1-diphenyl-2-picrylhydrazyl (PPH) radical scavenging activity of flavonoids.

Component	EC50 (μg/mL) 1
Butylated hydroxytoluene (BHT)	358.15 ± 1.43
Quercetin	80.75 ± 0.26
Festin	83.19 ± 0.33
Myricetin	118.63 ± 0.57
Morin	123.06 ± 0.48
Rutin	188.28 ± 0.68
Breviscapine	368.08 ± 1.04

Note: ¹ 50% effective concentration (EC₅₀).