The Chemical Profile of Senna velutina Leaves and Their Antioxidant and Cytotoxic Effects

Table 2

IC₅₀ and maximal DPPH radical scavenging activity of standard antioxidants and of ESV.

Sample	IC50 (µg/mL)	Maximal inhibition
		%	µg/mL
Ascorbic acid			10
BHT			250
ESV			25

Values are means ± SEM.