Table 6.

Total phenolic content, ß-carotene bleaching and DPPH radical scavenging activities of the EO extracted from P. sylvestris seeds.

Parameter	EO	BHA a	BHT b
DPPH, IC50 (mg/mL)	0.0016 ± 0.0885	0.0070 ± 0.0003	0.0091 ± 0.0003
β-carotene bleaching (RAAs) c (%)	97.646 ± 0.006	Nd e	100
Total Phenolic Content, (mg GAE/g) d	0.0053 ± 0.0023	Nd e	Nd e

^a BHA—butylated hydroxyanisole; ^b BHT—butylated hydroxytoluene; ^c RAA—relative antioxidative activity; ^d GAE—gallic acid equivalent; ^e Nd—not detected.