GPT and steatosis: Since the obese Zucker fa/fa rat has manifested severe steatosis in liver cells at 12 weeks age(45,46) and presents chronic inflammation(25–28), it was of interest to investigate whether the excessive deposition of TAG in liver and the abnormal high serum alanine transaminase concentration in all groups, as well as the changes in the fatty acid composition in liver after intake of CA, can be associated with hepatic concentrations of markers of inflammation and macrophage infiltration.