Oil with olein has a high level of acidity which differentiates it from the other vegetable oils. This substance is super important element in functioning nutrition. With the amount of fatty acid in the olein oil of Aston, it equals to olive oil. High concentration of olein in Aston is 4 times as durable as normal sunflower seeds oil against heat, has a higher temperature point of burning( 260 degrees minimum ), that is why it is ideal for frying. While frying your food Aston olein oil gives it a very nice golden layer on top.