alexa Polycyclic Aromatic Hydrocarbons (PAHs) and Organochlorinated Pesticides (OCPs) in Yellowtail (Seriola lalandi) from three Spatially Distinct Locations along the Coast of South Africa: Levels, Sources and Fish Size Effec
ISSN: 2157-7110

Journal of Food Processing & Technology
Open Access

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Research Article

Polycyclic Aromatic Hydrocarbons (PAHs) and Organochlorinated Pesticides (OCPs) in Yellowtail (Seriola lalandi) from three Spatially Distinct Locations along the Coast of South Africa: Levels, Sources and Fish Size Effec

Chukwumalume Rufina C1,2*, Louwrens Hoffman C3, Umezurike Opara L4, Bernadette O’Neill3 and Marietjie Stander A4

1Agricultural Research Council of Nigeria, Abuja, Nigeria

2Department of Food Science, Stellenbosch University, South Africa

3Department of Animal Sciences, DST/NRF South African Research Chair in Meat Science: Genomics to Nutriomics, Stellenbosch University, Stellenbosch, South Africa

4Department of Horticultural Sciences, Post-harvest Technology Research Laboratory, South African Research Chair in Post-harvest Technology, South Africa

*Corresponding Author:
Chukwumalume Rufina C
Agricultural Research Council of Nigeria
Plot 223D Cadastral Zone, B6
Mabushi, Abuja, Nigeria
Tel: +2348055337553
E-mail: [email protected]

Received date: December 08, 2016; Accepted date: December 27, 2016; Published date: January 03, 2017

Citation: Rufina CC, Hoffman CL, Opara LU, O’Neill B, Stander AM (2017) Polycyclic Aromatic Hydrocarbons (PAHs) and Organochlorinated Pesticides (OCPs) in Yellowtail (Seriola lalandi) from three Spatially Distinct Locations along the Coast of South Africa: Levels, Sources and Fish Size Effect. J Food Process Technol 8: 644. doi: 10.4172/2157-7110.1000644

Copyright: © 2017 Rufina CC, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Polycyclic aromatic hydrocarbons (PAHs) and organochlorinated pesticides (OCPs) such as dichlorodiphenyltrichloroethane (DDT), endosulfan and benzenhexachloride (BHC) were evaluated in yellowtail (Seriola lalandi) fish species. These hardous compounds were studied in fish sampled from three locations: Port Elizabeth, Yzerfontein and Struis Bay. The aim of the study was to investigate the profiles, levels and sources of PAHs and pesticides in yellowtail from the selected locations in relation to fish size and lipid content. Significant variations (p<0.05) were observed in the levels of PAHs measured in fish sampled from the three locations. Fish from Port Elizabeth had the highest PAHs concentrations (533.95 ± 34.36), followed by Yzerfontein (221.40 ± 33.03) and Struis Bay (88.97 ± 2.83) μg/kg wet weight. benzo(a)pyrene (as PAHs biomarker) exceeded the recommended EU limit (2 μg/kg) in samples from Port Elizabeth and Yzerfontein whereas samples from Struis Bay did not exceed. DDT was detected only in samples from Port Elizabeth and Yzerfontein with mean total concentrations (7.48 ± 5.18 and 11.14 ± 1.44 respectively) not significantly different. Fish size (weight) correlated positively with lipid content (0.65; p<0.01) and a stronger positive correlation with Æ©PAHs (0.83; p<0.01). PAHs input source in fish from Port Elizabeth reflected a mixture of petrogenic and pyrogenic whereas, Yzerfontein and Struis Bay showed input source as petrogenic. In conclusion, consumption of large sized fish in locations with high PAHs burden can predispose consumers to health risk. Further investigation into human dietary exposure with the species is recommended.

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