Abstract：
:Free radical-induced neural damage is implicated in neurodegenerative diseases and antioxidants have protective activity. In the present study, we examined the effect of gallic acid (GA; 50, 100 and 200mg/kg, p.o. for 10 days) on memory deficit and cerebral oxidative stress induced by 6-hydroxydopamine (6-OHDA; 8 μg/2 μL) injected into the medial forebrain bundle (MFB, full nigral lesion) as an animal model of Parkinson's disease (PD). The results showed that 6-OHDA significantly reduced the passive avoidance memory performance, non-enzymatic (total thiol) and enzymatic [glutathione peroxidase (GPx)] antioxidant contents and increased the level of malondialdehyde (MDA) in the hippocampus and striatum of vehicle-treated group as compared to sham-operated rats. Furthermore, oral administration of GA significantly increased the passive avoidance memory, total thiol and GPx contents and also decreased MDA levels in the above tissues. The results suggest that GA has neuroprotective activity against 6-OHDA-induced oxidative stress via enhancement of cerebral antioxidant defence.
journal_name
Food Chemjournal_title
Food chemistryauthors
Mansouri MT,Farbood Y,Sameri MJ,Sarkaki A,Naghizadeh B,Rafeirad Mdoi
10.1016/j.foodchem.2012.11.022subject
Has Abstractpub_date
2013-06-01 00:00:00pages
1028-33issue
2-3eissn
0308-8146issn
1873-7072pii
S0308-8146(12)01749-9journal_volume
138pub_type
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