Abstract
And Summary: Linseed and cod liver oil triglycerides as well as the randomly rearranged triglycerides of soybean and rapeseed oils were subjected to partial hydrogenation in the presence of nickel or platinum catalyst. The hydrogenated triglycerides were subjected to enzymatic hydrolysis with pancreatic lipase in order to determine the changes of their structure. It follows from the data obtained that the position of an unsaturated acyl in a triglyceride affects its hydrogenation rate.