Impact of Heavy Metals in Food Products from Crude Oil Polluted Area of Nigeria in Testicular Functions of Wistar Rats

2016 ◽  
Vol 5 (2) ◽  
pp. 1-11 ◽  
Author(s):  
Azubuike Ebokaiwe ◽  
Ebenezer Farombi
Author(s):  
Grace Ekpo ◽  
Benjamin Amadi ◽  
Eze Adindu ◽  
Odey Michael ◽  
Princewill Dasimeokuna

Comparative study on effect of Chrysophyllum albidum medicinal plant from crude oil polluted and non-crude oil polluted areas on selected biochemical parameters in rats was evaluated.  Leaves of C. albidium were collected from a botanical garden (non-crude oil polluted site) and Okrika (crude oil polluted site), and studied. The leaves passed for heavy metals analyses and heavy metals such as mercury (0.38 ±0.07 mg/100 g), lead (3.06±0.40 mg/100 g), cadmium (0.09±0.00 mg/100 g), copper (1.00±0.18 mg/100 g), chromium (0.23±0.01 mg/100 g), and cobalt (4.90±1.22 mg/100 g) were observed in leaves of C. albidum  from crude oil polluted area. Rats placed on compounded feed of C. albidium leaves from crude oil polluted area revealed marked degeneration in haematological indices, liver enzymes, urea and creatinine of the kidney. These observed degeneration could be linked to toxicity of the heavy metals found in the leaves of C. albidum from crude oil polluted area since leaves of C. albidum are known to have medicinal potency that could protect the integrity of internal organs and tissues. There is need to properly inform those who rely on medicinal plants from crude oil polluted areas of the possible dangers such may pose in the body. This study has evaluated the comparative effect of C. albidum medicinal plant from crude oil polluted and non-crude oil polluted areas on selected biochemical parameters in rats.


Author(s):  
Muibat Fashola

Introduction: Indiscriminate dumping of spent oils enriched with heavy metals has led to increase in heavy metals load in the soil. Heavy metals exert toxic effects on biodegradation of organic pollutant in cocontaminated soil and there is need to find suitable strategies for their removal. Aim: The aim of this study was to assess the heavy metals resistance capability of indigenous Bacillus species in hydrocarbon polluted soil to nickel (Ni), Cadmium (Cd), Lead (Pb) and Chromium (Cr). Materials and Methods: Heavy metal tolerant bacteria were isolated from hydrocarbon polluted soil using Luria-Berthani agar supplemented with the respective metals and spread plate techniques. The isolates were putatively identified on the basis of their colonial morphology and biochemical characteristics and their antibiotics susceptibility pattern were evaluated using disc diffusion method. Results: The maximum tolerable concentration (MTC) of the four heavy metals to the selected isolates was 2 mM. Four bacteria isolates able to withstand the MTC were putatively identified as Bacillus subtilis, Bacillus megaterium, Bacillus laterosporus and Bacillus polymyxa. Out of the four Bacillus species, only B. laterosporus did not show multiple tolerance to the tested antibiotics which show that there is correlation between heavy metal tolerance and antibiotics resistance by the isolates. Conclusion: Multiple heavy metal tolerance Bacillus spp. were isolated from crude oil polluted soil. These bacteria could be suitable agents for bioaugmentation of hydrocarbon polluted soil co-contaminated with heavy metals.


2013 ◽  
Vol 12 (2) ◽  
pp. 53
Author(s):  
VictorA Fischer ◽  
ChristieE Fischer ◽  
Mfon Akpaso ◽  
OladapoA Ashiru

2011 ◽  
Vol 74 (6) ◽  
pp. 1747-1755 ◽  
Author(s):  
Agnesa Lukačínová ◽  
Oliver Rácz ◽  
Eva Lovásová ◽  
František Ništiar

Sign in / Sign up

Export Citation Format

Share Document