Soybean oil and its combinations with sunflower oil, as 1:1 and 1:3, were used in the rations intended for rats. As it is evidenced by the data on the content of tocopherol in the tissues, malonic dialdehide in the liver, diene conjugates in the liver and red blood cells, and red blood cell
The amounts of free sterols, steryl esters and steryl glycosides in sunflower, soya and maize oils as well as in the phosphatides of the same oils were determined. The refinement byproducts were enriched with sterols. The highest contents of total sterols and steryl glycosides (2,68 and 1,9%,