Biochemical parameters
Serum cholesterol and triglycerides were estimated by the method
according to Richmond (1973) and Fossati and Principe (1982),
respectively. HDL - cholesterol was measured by the enzymatic
method according to Lopez–Virella et al. (1977) while LDLcholesterol was calculated according to Glatter (1984). Serum
insulin, Inter leukin-6 (IL - 6) and tumor necrosisfactor alpha (TNF -
α) were determined by an enzyme amplified sensitivity
immunoassay (EASIA) according to Yalow and Bauman ( 1983), Le
Moineo (1994) and Aukrust et al. (1994), respectively, the kits were
purchased from Biosource, Belgium.
Liver glutathione peroxidase activity (GPX) was measured
according to Paglia and Valentine (1967). Determination of liver
SOD was passed on the method of Beauchamp and Fridovich
(1971). Liver MDA was measured by the method of Uchiyama and
Mihara (1978) using thiobarbituric acid (TBA) reaction. The protein
content of the homogenate was determined by the method of Lowry
et al. (1951) using bovine serum albumin as standard.