Essential Oil Extracted from Cymbopogon citronella Leaves by Supercritical Carbon Dioxide: Antioxidant and Antimicrobial Activities

Table 5

Half-inhibition (IC₅₀) values of antioxidant activities measured using DPPH radical scavenging and 1,2,3-phentriol self-oxidation.

Samples	IC50 (mg/g)
	1,2,3-Phentriol self-oxidation	DPPH
SDE	274 ± 2	10 ± 1
SFE	244 ± 3	9 ± 2
AA	5137 ± 4	2213 ± 4
BHT	8029 ± 1	895 ± 3

Control.