A review of environmental and health effects of organochlorine pesticide residues in Africa.

Abstract:

:Organochlorine pesticides (OCPs) are generally categorized as chlorinated cyclodienes, chlorodiphenylethanes, chlorinated benzenes and cyclohexanes. The presence of OCP residues in foodstuffs, water, soil, sediments, blood serum and air has generated a surge of global interest. This is due to their severe environmental and health ill-effects. OCPs are characteristically described as persistent and bio-accumulating substances prone to long-range transportation. The aim of this present study is to assess the environmental and health risks associated with OCP residues. Published works on OCPs in surface water, sediments and fish samples were reviewed. Possible non-carcinogenic (Hazard Quotient, HQ and Hazard Index, HI) and carcinogenic (Cancer Risk, CR) health effects of OCPs were assessed in fish samples. High concentrations of OCP residues were determined in environmental samples from African countries. The non-carcinogenic health assessment of OCPs in most fish samples from Nigeria revealed HI values greater than 1.0 establishing their adverse effects. The CR data of OCPs in fish samples also showed values higher than the permissible standard of 1.0 × 10-4 indicating possible development of cancer through fish consumption.

journal_name

Chemosphere

journal_title

Chemosphere

authors

Taiwo AM

doi

10.1016/j.chemosphere.2019.01.001

subject

Has Abstract

pub_date

2019-04-01 00:00:00

pages

1126-1140

eissn

0045-6535

issn

1879-1298

pii

S0045-6535(19)30001-3

journal_volume

220

pub_type

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