Antimicrobial, Antioxidant, Anti-Inflammatory, and Cytotoxic Activities of Propolis from the Stingless Bee Tetragonisca fiebrigi (Jataí)

Table 3

IC₅₀ and maximum activity of ABTS radical scavenging of standard antioxidants and of EEP.

Sample	IC50 (µg/mL)	Maximum inhibition
		%	µg/mL
Ascorbic acid	1.3 ± 0.2	99.5 ± 0.2	5
BHT	22.8 ± 4.2	85.2 ± 5.5	50
EEP	119.6 ± 20.5	86.5 ± 2.8	500

Values are means ± SEM ().