Abstract

PurposeThe purpose of this study is to assess the effects of two green leafy vegetables (Gongronema latifolium and Celosia argentea) on the hepatic biomarkers [Alanine Aminotransferase (ALT) and Aspartate Aminotransferase (AST)], cardiac biomarkers [Creatine Kinase (CK) and Lactate Dehydrogenase (LDH)] and histopathology of the heart of high-fat diet-induced hyperlipidemic rats, with the aim of evaluating the vegetables as functional foods.Design/methodology/approachExperimental diets consisted of Control Diet (CD), High-Fat Diet (HFD), High-Fat Diet with Blanched Celosia argentea (HCB), High-Fat Diet with Unblanched Celosia argentea (HCU), High-Fat diet with Blanched Gongronema latifolium (HGB) and High-Fat Diet with Unblanched Gongronema latifolium (HGU). Seventy-five albino male rats (weighing 180–200 g) were used. The animals were divided into 15 groups of five albino rats each. Animals in Groups 1, 2 and 3 were fed with CD, HFD only and HFD with Atorvastin (5 mg/kg b.w), respectively. Animals in Groups 4, 5 and 6 were fed with 5, 10 and 15% HCB, respectively. Animals in Groups 7, 8 and 9 were fed with 5, 10 and 15% HCU, respectively, whereas animals in Groups 10, 11 and 12 were fed with 5, 10 and 15% HGB, respectively, and animals in Groups 13, 14 and 15 were fed with 5, 10 and 15% diet-inclusion of HGU, respectively.FindingsThe incorporation of the vegetal matter into the diet brought about a significant reduction (p = 0.05) in the activities of ALT, AST, CK and LDH when compared with HFD. However, the histological examination showed no pathological lesion, only at 15% inclusion of the vegetables.Originality/valueThe paper established that the incorporation of Celosia argentea and Gongronema latifolium into diet, most especially at 15% inclusion, may serve as functional food in the management of hyperlipidemia and associated complications.

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