抄録
1. Hepatic content of CoQ decreased in rats with acute CCl4 poisning or steroid diabetes, but it did not show any change in those with chronic CCl4 poisoning or alloxan diabetes.
2. Most part of CoQ was found in the mitochondrial fraction. The CoQ content of liver mitocondria per wet weight decreased in CCl4 poisoning, alloxan diabetes or steroid diabetes. The changes were parallel to the changes in succinate dehydrogenease activity in the liver.
3. CoQ of rat liver was mainly CoQ9, but CoQ7, CoQ8 and CoQ10 were also in a small quantity.
