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PHARMACOLOGICAL STUDY
Year : 2013  |  Volume : 34  |  Issue : 3  |  Page : 297-301

Anti-inflammatory effect of Pueraria tuberosa extracts through improvement in activity of red blood cell anti-oxidant enzymes


1 Ph. D Scholar, Department of Medicinal Chemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
2 Professor, Department of Medicinal Chemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India

Correspondence Address:
Yamini B Tripathi
Department of Medicinal Chemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0974-8520.123131

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Changing life style and over-nutrition causes low-grade inflammation (LGI), with obesity and hyper-lipidemia as basic factors. The physiological state polarizes macrophages to classical type (M1), which is pro-inflammatory and promotes ectopic fat deposition in the body. Both factors induce inflammatory cascade, where free radicals (FRs) play an important role. Thus, pharmacological and non-pharmacological interventions would be effective in the management of LGI and plant products would be used as food supplement or as a drug. Previously, a study has reported the anti-oxidant potential of methanolic extract of tubers of Pueraria tuberosa (PTME) and inhibitory role of tuberosin on lipopolysaccharides-induced expression of inducible nitric oxide synthase in macrophages in an in vitro study model. Here, the effect of PTME has been explored on carrageenan-induced inflammatory changes in rats. The activity of antioxidant enzymes in red blood cell hemolysate has been assessed. PTME was orally given to rats for 9 days and periodical changes (every 3 rd day) in the activity/concentration of superoxide dismutase (SOD), catalase, reduced glutathione (GSH), lipid peroxides (LPO), and C-reactive proteins (CRP) were monitored. The PTME significantly prevented carrageenan-induced decline in GSH content, lowering of catalase and SOD activity, and rise in LPO and CRP in rats in a time-dependent, sequential manner. Thus, it could be suggested that the anti-inflammatory role of PTME is primarily mediated through its FR scavenging potential.


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