EFFECT OF DIETARY INCORPORATION OF FICUS GLUMOSA LEAVES (MOUNTAIN FIG) ON BLOOD PLATELETS OF PLASMODIUM BERGHEI INFECTED MICE

Student: Agnes Ndowobe Okori
Supervisor: Dr Mrs Magdalene Obi-Abang
Co-Supervisor: Dr Obi Abang
HOD: Dr Moses Emeka
Department of Biochemistry
Physical Sciences
University of Cross River State, Calabar

Abstract

ABSTRACT Malaria remains a significant public health challenge, particularly in Africa, where it leads to hundreds of thousands of deaths annually. This study aimed to investigate the effect of dietary incorporation of Ficus glumosa leaves (mountain fig) on blood platelets of Plasmodium berghei infected mice. Fresh leaves of Ficus glumosa were harvested from the campus of the University of Cross River State (UNICROSS), Calabar, Nigeria. The leaves were blended and incorporated into diets at concentrations of 5g, 10g, and 20g per 100g of normal rat chow. A total of 36 mice, weighing between 23g to 35g, were acclimatized and then inoculated intraperitoneally with 0.2ml blood suspension containing 10^6 – 10^7 parasitized erythrocytes of chloroquine-sensitive Plasmodium berghei (NK-65) obtained from the Nigerian Institute of Medical Research (NIMR), Lagos. The mice were divided into six groups: groups 1, 2, and 3 received diets incorporated with 5g, 10g, and 20g of Ficus glumosa leaves respectively; group 4 received 5mg/kg BW of Artesunate; group 5 served as the negative control (parasitized but untreated); and group 6 served as the normal control (non-parasitized, normal diet). The mice were observed for clinical signs of malaria before treatment commenced. Results indicated that the mean parasite count varied significantly among the groups, with group 3 (20g of Ficus glumosa) showing the most substantial reduction in parasite load. Chemo-suppression was highest in group 3 (61%), compared to the negative control group (54%). Blood platelet counts also showed significant variation, with group 4 (Artesunate) having the highest mean platelet count (1603.000 ± 0) and group 1 (5g of Ficus glumosa) having the lowest mean count (216.800 ± 186.2235). In conclusion, the incorporation of Ficus glumosa leaves into the diet of Plasmodium berghei infected mice resulted in a reduction in parasite load and significant variation in blood platelet counts. These findings suggest that Ficus glumosa leaves have potential antimalarial properties and could be considered for further research as a complementary treatment for malaria.

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