[Effect of restricted feeding on metabolic changes in lipids following a single lethal irradiation of rats].

A study was made of the influence of adaptation of rats to limited feeding (2 h a day during 3 weeks) and the response of the adapted animals to total-body X-irradiation with a lethal dose of 14.35 Gy. The concentration of unesterified fatty acids in the blood and the total cholesterol content were shown to decrease between the 1st and 24th hours following irradiation: the content of phospholipids decreased 60 min after irradiation. In the bone marrow of rats adapted to limited feeding, a more pronounced accumulation of triacylglycerols was noted as late as 72 h after irradiation.