Risk and benefits of Tilapia

Alam Lubna, Minhaz Farid Ahmed, Siti Zulaiha Binti Zolkaply, Mazlin Mokhtar

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Tilapia is popular fish because of its low to moderate fat and high quality of protein content. Therefore, this fish has wide diversified health benefits in terms of reducing weight, boosting overall metabolism, building strong bones, decreasing the risk of various chronic diseases and preventing arthritis as well as cancer. However, environmental contaminants, originated both from the anthropogenic and natural sources, possess potential harm to living species. It usually refers to chemical, biological and physical contaminants and aquatic species like fishes are sensitive to these contaminants because of its bioaccumulation. So far, about 118 environmental contaminants related to fish are discovered which contains potential harm of human health. Therefore, human beings are also an important driver for assessing and controlling environmental contaminants. Tilapia species are one of the most widely cultured fresh water fish and the demand of tilapia is exponentially increasing in recent years especially in warm counties like Egypt, Middle East, Malaysia etc. Although Tilapia feed on a wide variety of dietary sources, but specific dietary requirements are still lacking and theinteractions among nutrients and with cultured conditions are not completely understand. The contamination of water by chemical is a worldwide problem and it disturbs ecological balance of aquatic environment because of its usually non-degradable condition. In addition, fishes are the main inhabitants that directly contaminated by polluted water in many locations. For instance, in Egypt, metal concentrations in Nile Tilapia determined a specific bioaccumulation pattern. Therefore, human health hazard index indicated that the cumulative risk from cadmium exposure significantly increased due to higher consumption rate of Tilapia. Similarly, in Malaysia, the cancer risk calculations due to consumption of Tilapia exceeded the USEPA’s acceptable risk level for cadmium (2.1 × 10-6) and nickel (7.3 × 10-4), along with the average carcinogenic risk (2.4×10-4). Accordingly, in Nile Tilapia cadmium acts as a stressor and leads to metabolic alternations such as increase of glucose concentration in white muscle and sub-lethal concentrations increases phosphofructo kinase in red muscle. Cadmium can adversely affect organisms at relatively low level exposure and can damage liver, tests, nervous system, kidney, spleen and bone marrow of human being. Therefore, specific dietary of Tilapia species should be found out for cultured fish along with special focus on reducing the contamination of water body.

Original languageEnglish
Title of host publicationTilapia and Trout
Subtitle of host publicationHarvesting, Prevalence and Benefits
PublisherNova Science Publishers, Inc.
Pages1-26
Number of pages26
ISBN (Electronic)9781536105889
ISBN (Print)9781536105575
Publication statusPublished - 1 Jan 2016

Fingerprint

Tilapia
tilapia (common name)
Fishes
Cadmium
cadmium
fish
Cichlids
Egypt
pollution
Malaysia
bioaccumulation
water pollution
Oreochromis niloticus
human health
cumulative risk
acceptable risk
ecological balance
United States Environmental Protection Agency
Muscles
Nutritional Requirements

Keywords

  • Aquatic environment
  • Contaminants
  • Cultured fish
  • Human health

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

Cite this

Lubna, A., Ahmed, M. F., Zolkaply, S. Z. B., & Mokhtar, M. (2016). Risk and benefits of Tilapia. In Tilapia and Trout: Harvesting, Prevalence and Benefits (pp. 1-26). Nova Science Publishers, Inc..

Risk and benefits of Tilapia. / Lubna, Alam; Ahmed, Minhaz Farid; Zolkaply, Siti Zulaiha Binti; Mokhtar, Mazlin.

Tilapia and Trout: Harvesting, Prevalence and Benefits. Nova Science Publishers, Inc., 2016. p. 1-26.

Research output: Chapter in Book/Report/Conference proceedingChapter

Lubna, A, Ahmed, MF, Zolkaply, SZB & Mokhtar, M 2016, Risk and benefits of Tilapia. in Tilapia and Trout: Harvesting, Prevalence and Benefits. Nova Science Publishers, Inc., pp. 1-26.
Lubna A, Ahmed MF, Zolkaply SZB, Mokhtar M. Risk and benefits of Tilapia. In Tilapia and Trout: Harvesting, Prevalence and Benefits. Nova Science Publishers, Inc. 2016. p. 1-26
Lubna, Alam ; Ahmed, Minhaz Farid ; Zolkaply, Siti Zulaiha Binti ; Mokhtar, Mazlin. / Risk and benefits of Tilapia. Tilapia and Trout: Harvesting, Prevalence and Benefits. Nova Science Publishers, Inc., 2016. pp. 1-26
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