or rooibos

536

Asian Pacific Journal of Tropical Medicine (2014)536-544

Contents lists available at ScienceDirect

Asian Pacific Journal of Tropical Medicine j

Author Martina Charles

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JOURNAL TRANSCRIPT
536

Asian Pacific Journal of Tropical Medicine (2014)536-544

Contents lists available at ScienceDirect

Asian Pacific Journal of Tropical Medicine journal homepage:www.elsevier.com/locate/apjtm

Document heading

doi: 10.1016/S1995-7645(14)60090-0

Modulation of antioxidant status in streptozotocin-induced diabetic male wistar rats following intake of red palm oil and/or rooibos Ademola Ayeleso1*, Nicole Brooks2, Oluwafemi Oguntibeju1 Oxidative Stress Research Centre, Department of Biomedical Sciences, Faculty of Health & Wellness Sciences, Cape Peninsula University of Technology, Bellville South Africa 2 Department of Wellness Sciences, Faculty of Health & Wellness Sciences, Cape Peninsula University of Technology, Cape Town, South Africa 1

ARTICLE INFO

ABSTRACT

Article history: Received 10 March 2014 Received in revised form 15 April 2014 Accepted 15 June 2014 Available online 20 July 2014

Objective: To investigate the role of red palm oil (RPO), rooibos tea extract (RTE) and their combined treatment (RPO + RTE) on antioxidant status in streptozotocin (STZ)-induced diabetic rats. Methods: Diabetes mellitus was induced by a single administration of streptozotocin (50 mg/kg) and the rats were treated for 7 weeks. Antioxidant enzymes [catalase (CAT), glutathione peroxidase (GPx), superoxide dismutase (SOD)], antioxidant capacity [trolox equivalence antioxidant capacity (TEAC), oxygen radical absorbance capacity (ORAC)] as well as total protein, albumin, globulin, total glutathione, conjugated diene and thiobarbituric acid reactive substances (TBARS) were investigated. Results: Treatment with RPO, RTE and RPO + RTE significantly (p>0.05) improved liver SOD and plasma ORAC in the diabetic rats. Similarly, diabetic rats treated with RTE and RPO + RTE enhanced liver GPx. A significant (P

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