Particle size distribution of oat emulsions (A) and sunflower oil emulsions enriched with phytosterols (B). Ocrude, crude oil from oats; OPL4, oat oilwith ∼ 4% polar lipids; OPL15, oat oil with ∼ 15% polar lipids; PS: phytosterols; SOs, Florisil®-treated sunflower oil.