Authors: Akolade, J.O.
Muhammad, N.O.
Oloyede, O.B.
Usman, L.A.
Title: Haematological parameters of alloxan-induced diabetic rats treated with leaf essential oil of Hoslundia opposita (Vahl)
Language (ISO): en
Abstract: The effect of leaf essential oil of Hoslundia opposita (Vahl) on the haematological parameters of alloxan-induced diabetic rats was investigated. Forty-eight albino rats (Rattus norvegicus), of average weight 132.5 g, were randomly selected into normal and diabetic groups, each with four sub-groups. The rats were treated with 110 and 220 mg/kg body weight (b. wt.) of the essential oil. 14.2 mg/kg body weight of metformin (Glucophage) was used as a reference drug. All treatments were administered, intraperitoneally, once a day for four days. Haematological parameters like haemoglobin (HGB), red blood cell (RBC) count, white blood cell (WBC) count, percentage lymphocytes (LYM) and neutrophils (NEU) were analysed. There were no significant differences (p > 0.05) in the erythrocyte indices of all the normal (nondiabetic) rats, both treated and untreated. However, there was a significant increase (p <0.05) in the WBC count and a significant reduction (p <0.05) in the lymphocyte (LYM) percentages of the normal (non-diabetic) rats administered with higher dose of the essential oil. The results also revealed a significant reduction (p < 0.05) and a significant increase (p < 0.05) in the RBC counts of untreated diabetic rats and diabetic rats administered 110 mg/kg b. wt. of the oil respectively. A significant increase (p < 0.05) in the LYM of diabetic untreated rats was also observed, while administration of metformin and 110 mg/kg b. wt. Hoslundia opposita leaf essential oil (HOLEO) to diabetic rats significantly (p < 0.05) reduced the LYM percentages to values within range of the normal control animals. Overall, administration of the oil has significant ameliorative effect on alloxan-induced anaemia in diabetic state and this may be of immense benefits in the management of type 2 diabetes and its associated haematological complications.
Subject Headings: diabetic rats
essential oil
Hoslundia opposita
Issue Date: 2012-11-16
Appears in Collections:Original Articles

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