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Brazilian Archives of Biology and Technology

On-line version ISSN 1678-4324


BARBALHO, Sandra Maria et al. Mentha piperita effects on wistar rats plasma lipids. Braz. arch. biol. technol. [online]. 2009, vol.52, n.5, pp.1137-1143. ISSN 1678-4324.

The aim of this study was to demonstrate the effects of Mentha piperita juice and tea on plasma lipids of Wistar rats. The animals were divided in control group (CG) and four treated groups: TG1 treated with tea and TG2 treated with juice (both receiving commercial rat chow); TG3 and TG4 were fed with supplemented fat chow (with hydrogenated fat and soybean oil) and treated respectively with tea and juice. Both tea and juice were administered by intra-gastric route (gavage) two times a day for 30 days. TG2 and TG4 animals showed significant decrease in triacylglycerols and increase in HDL-c levels. TG1 and TG2 also showed lower cholesterol values. The levels of LDL-c increased in CG but decreased in the treated groups. Animals of TG1, TG2 and TG4 showed substantial reduction in food intake and in percentage of weight gain. TG3 increased food intake but did not increase the percentage of weight gain.

Keywords : Mentha piperita; cholesterol; HDL-c; LDL-c; triacylglycerol.

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