Research Article

GC/MS Evaluation and In Vitro Antioxidant Activity of Essential Oil and Solvent Extracts of an Endemic Plant Used as Folk Remedy in Turkey: Phlomis bourgaei Boiss.

Table 2

Antioxidant activity (%) of the essential oil and the extracts from P. bourgaei at different concentrations measured by β-carotene–linoleic acid methoda.

SampleSample concentration (mg/mL)
0.41.02.0

Essential oil
Hexane
Ethyl acetate
Methanol
Water
BHT
BHA

Values expressed are means S.D. of three parallel measurements.