Phytochemical Screening, Antioxidant Activity, and Acute Toxicity Evaluation of Senna italica Extract Used in Traditional Medicine

Table 3

Antioxidant activity of S. italica leaves extracts.

	Senna italica leaves extracts			Control
	AE	50% AEE	EE	Quercetin	Gallic acid	BHT
DPPH radical scavenging (IC50 value, μg/mL)	9.33 ± 1.31	78.9 ± 2.29	9.65 ± 0.28	10.45 ± 1.59	29.98 ± 1.91	71.67 ± 2.52

DPPH = 2, 2′-diphenyl-1-picrylhydrazyl; AE = aqueous extract; 50% AEE = 50% aqueous ethanolic extract; EE = etha-nolic extract; BHT = butylated hydroxytoluene; IC₅₀ = half-maximal inhibitory concentration.