refeeding either an arginine-devoid diet or a 14 % casein diet supplemented with 1 % orotic acid for 7 days to starved rats caused an increase in liver lipid content which was prevented by the addition of adenine , allopurinol and safflower oil , but not guanine , cytosine , thymine and uracil .
C0040087
thymine
C0041917
uracil