AvSG (Δ5-avenasteryl glucoside), BSSG (β-sitosteryl-glucoside), CC (column chromatography), CSG (campesteryl glucoside), EVOO (extra virgin olive oil), FID (flame ionization detector), FS (free sterols), GC (gas chromatography), LOD (limit of detection), LOQ (limit of quantitation), MS (mass spectrometry), OO (olive oil), ROO (refined olive oil), Rt (retention time), SD (standard deviation), SG (steryl glucosides), SPE (solid phase extraction),