Materials
Virgin (VSO) and refined (RSO) sesame oils from unroasted sesame seeds
with no added antioxidants were supplied by Datis (Yazd, Iran) and were
kept at –18 °C until analysis. Refined olive oil (ROO) was purchased
from a local shop. The standards of fatty acid methyl esters (FAME) and
all chemicals and solvents used in experiments were of analytical
reagent grade and purchased from Merck (Darmstadt, Germany) and
Sigma-Aldrich (St. Louis, MO).