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The aim of this study was to determine the malondialdehyde (MDA) level and superoxide dismutase  ( SOD) activity in colchicine induced Alzheimer’s disease  ( AD), resveratrol  ( RS) treated and RS + donepezil (DPZ) treated rat models. The objective was to compare the MDA level and SOD activity among these rat models. The present study included 3 months old male albino  Wistar  rats, which were in-house bred and weighting about 220–250 g. The rats were divided into nine subgroups which included control, sham, AD induced, RS treated and DPZ treated groups in different doses and combinations. The lipid peroxidation product for MDA in the brain homogenate was measured by estimating the levels of thiobarbituric acid reactive substance. Estimation of SOD was done by the method of autoxidation of pyrogallol by Marklund and Marklund. There was a marked increase in the MDA levels in AD induced group in comparison to the control group ( p  < 0.05). The SOD activity was higher in the RS 10 and RS 20 treated groups in contrast to the AD group ( p  < 0.05). In DPZ + RS group, there was a substantial increase in the SOD activity ( p  < 0.05). It is also observed that the RS 20 treatment group showed higher SOD activity than the RS 10 group ( p  < 0.05). This study showed that, AD induced group had elevated levels of MDA, which indicates the poor oxidative stress–defence mechanism. The RS 10 and RS 20 groups showed higher SOD activity in comparison to the AD group, which indicated the improved oxidative stress–defence mechanism. The RS + DPZ group showed higher SOD activity, indicating a synergistic effect of DPZ and RS.

3 biotech

Comparison of malondialdehyde levels and superoxide dismutase activity in resveratrol and resveratrol/donepezil combination treatment groups in Alzheimer’s disease induced rat model