Abstract
Propolis has been reported to be important antioxidantThe biological effects exhibited by propolis could be related to an overall effect of the phenolic compounds present in propolis (flavonol galangin; hydroxycinnamic acids, caffeic acid, p-cumaric acid, ferulic acid and caffeic acid phenethyl ester Rabbits were orally given propolis (50 mg/kg bw) was given alone. The tested doses were given to rabbits every day for 12 weeks. The effects of propolis on plasma and testes homogenates thiobarbituric acid-reactive substances (TBARS), antioxidant enzyme glutathione (GSH), glutathione peroxidase (GPx), glutathione S- transferase (GST), catalase (CAT) and superoxide dismutase (SOD) activities Treatment with propolis caused significant (P<0.05) increase in the activity of antioxidant enzyme GSH, GPx, GST, SOD and CAT in plasma and testes homogenates compared to control. While, propolis caused a significant (P<0.05) decrease in blood plasma and testes homogenates TBARS as compared with control.
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