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Table 2 In vitro antioxidant activity of the aqueous extract and non-esterified phenolic fraction of rosemary

From: Phenolic compounds from Rosemary (Rosmarinus officinalis L.) attenuate oxidative stress and reduce blood cholesterol concentrations in diet-induced hypercholesterolemic rats

Samples β-carotene/linoleic acid system DPPH
  antioxidant activity μmol BHT/g sample
Aqueous Extract 500 μg 1000 μg  
113.25 ± 4.55A 118.03 ± 3.88A 4601.29 ± 60.54A
Non-Esterified Phenolic Fraction 50 μg 100 μg  
  929.35 ± 49.88B 1035.00 ± 21.21B 4752.80 ± 190.09A
  1. Butylated hydroxytoluene (BHT) antioxidant activity = 4538.00 μmol/g.
  2. The results are expressed as the means ± S.E.M. (n = 3).