Oxidative stress indices in apparently healthy blood donors in Ibadan

Olubayo M AKINOSUN 1, 2, *, Olayemi M MAMIDU 1 and Elizabeth B BOLAJOKO 1

1 Department of Chemical Pathology, College of Medicine, University of Ibadan, Nigeria.
2 Department of Chemical Pathology, University College Hospital, Ibadan, Ibadan, Nigeria.
 
Research Article
International Journal of Science and Research Archive, 2024, 12(02), 1321–1325.
Article DOI: 10.30574/ijsra.2024.12.2.1367
Publication history: 
Received on 17 June 2024; revised on 24 July 2024; accepted on 27 July 2024
 
Abstract: 
Background/Objective: Blood donors are life savers. They are also exposed to both exogenous and endogenous sources of free radical production. Therefore, this study aimed at investigating the oxidative stress status in apparently healthy blood donors in Ibadan.
Method: This study was carried out in 100 urban and 67 rural male and female blood donors between the ages of 18 and 65 years after obtaining their consent. Ten (10) ml of venous blood was collected from each participant into heparinised bottles. The total plasma peroxides (TPP) and total antioxidant capacity (TAC) were determined using spectrophotometer and oxidative stress index (OSI) was calculated. All data were expressed as Mean ± SD. Results were analysed using one sample T-test to test the statistical significance between the variables. The level of significance was fixed at p ≤ 0.05.
Result: In this study, the mean values of TPP and OSI were observed to be significantly higher in the urban blood donors (200±62.9µmol H2O2/L and 3.4±1.3%) compared with the rural blood donors (57.46±10.28µmol H2O2/L and 2.9±0.98%) (p < 0.001). Similarly, TAC (6388.7±1788.7 Vs 2133.99±708.1 p=0.000) was observed to be significantly higher in the urban blood donors compared with their rural counterparts.
Conclusion: Significantly higher total plasma peroxides observed in urban blood donors is detrimental to the person receiving the blood. Therefore, intending blood donors should be educated on how to keep healthy feeding habits and life styles in order to improve their own health and the health of those they intend to save.
 
Keywords: 
Blood donors; Free radical; Total Plasma Peroxide; Total Plasma Capacity; Oxidative stress index
 
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