GC-MS Analysis: In Vivo Hepatoprotective and Antioxidant Activities of the Essential Oil of Achillea biebersteinii Afan. Growing in Saudi Arabia

Table 4

Free radical scavenging activity and antioxidant activity of the A. biebersteinii essential oil (ABEO).

Plant species	Radical scavenging activity (%)					Total antioxidant activity (%)
	10	50	100 (µg/mL)	500	1000	1000 (µg/mL)
ABEO	3.5	15.9	23.1	42.2	58.5	53.1
Ascorbic acid	16.9	68.5	85.8	91.4	94.2	—
Rutin	—	—	—	—	—	91.2