Abstract

Objective: To ascertain the haematological properties of aqueous extract of G. applanatum(G. applanatum). Methods: Sixty albino rats were grouped into six equal groups (10 each) from A to F, consisting of tests and controls. Laboratory albino rats in groups A, B and C were infected with Trypanosoma brucei (T. brucei) while groups A and B (Test) were treated with aqueous G. applanatum extract; other groups served as control. Microscopy and haematological profiles from the albino rats were monitored on daily basis for blood parasites, Packed Cell Volume (PCV), Haemoglobin Concentration (HC), Total Red Blood Cell Count (RBC), Mean Cell Haemoglobin (MCH), Mean Cell Volume (MCV), Mean Cell Haemoglobin Concentration (MCHC), and Total White Blood Cell Count (WBC). Results: Albino rats in groups A, B and C infected with T. brucei and treated with various concentrations of aqueous G. applanatum showed a progressive reduction in PCV, HC, RBC, MCH and MCHC compared to the controls (P< 0.05). All the infected rats died by day 14 of the experiment from parasitaemia. Conclusions: G. applanatum lacks ability to boost haematological profiles of anaemic laboratory rats and also of no use in the treatment of African Trypanosomiasis. Higher doses of the fungal extract may be required to test on laboratory rats with less lethal biological stimulants of anaemia before proving or otherwise its true haematological properties.

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