EXTRACT OF Sargassum echinocarpum ALLEVIATES OXIDATIVE STRESS IN STREPTOZOTOCIN-INDUCED DIABETIC RATS
Abstract: Oxidative stress
occured in streptozotocin-induced diabetic rats. The ability of Sargassum
echinocarpum to ameliorate the oxidative stress after treatment with streptozotocin
was investigated in rats. Adult male rats were intraperitoneally injected with
45 mg/kg of streptozotocin to produce experimental oxidative stress
characteristic of diabetes mellitus. Hyperglycemia was observed in blood serum
after 10 days of streptozotocin treatment. There were a signifi cant decrease in
the activity of superoxide dismutase (SOD), catalase (CAT) and glutathione
peroxide (GPx) and a signifi cant increase in the levels of malondialdehyde
(MDA) in the serum of diabetic rats. It indicated that there were an increasing
lipid peroxidation and oxidative stress in the diabetic rats. Providing S.
echinocarpum extract for 90 days on diabetic rats signifi cantly improved the
oxidative stress evidenced by a decreasing of MDA serum level and an increasing
SOD, CAT and GPx activities than streptozotocin-treated rats. These results
showed that the extract might improve the clinical manifestation of diabetes
mellitus and decrease the oxidative stress in the diabetic rats. This effects
appear to be due to its antioxidant properties.
Author: Muhamad Firdaus
Journal Code: jpperikanangg110002

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