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Mercury Contamination in Some Selected Foodstuffs and Potential Health Risk Assessment
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Mercury Contamination in Some Selected Foodstuffs and Potential Health Risk Assessment

This page presents an excerpt of the available research material, including the Preliminary Pages, Table of Contents, Abstract, Chapters One to Five, and References. It provides a comprehensive overview of the study, enhancing readability and accessibility for students, and researchers seeking complete material on “Mercury Contamination in Some Selected Foodstuffs and Potential Health Risk Assessment”.

ACKNOWLEDGEMENT

I am profoundly grateful to everyone who contributed to the successful completion of this project. I am especially grateful to my Supervisor (Name), the Head of Department (Name), and the Lecturers in the Department of Microbiology for their invaluable guidance and support. I also acknowledge the contributions of authors and scholars whose works on Mercury Contamination in Some Selected Foodstuffs and Potential Health Risk Assessment provided essential insights. Special thanks go to my study area (and any funding organizations, if applicable) for their financial assistance. I am equally thankful to stakeholders, including mentors, teachers, and colleagues, for their encouragement and support. Finally, I deeply appreciate my family and friends for their patience and unwavering support throughout this journey. Your contributions have been instrumental in making this research a reality.



TABLE OF CONTENTS

PRELIMINARY PAGES

CHAPTER ONE

INTRODUCTION

    CHAPTER TWO

    LITERATURE REVIEW

    • 2.1 Introduction
    • ⋮

    CHAPTER THREE

    MATERIALS AND METHODS

    • 3.1 Introduction
    • ⋮

    CHAPTER FOUR

    RESULTS AND DISCUSSION

    • 4.1 Introduction
    • 4.2 Results
    • ⋮
    • 4.3 Discussion of Findings

    CHAPTER FIVE

    SUMMARY, CONCLUSION AND RECOMMENDATION

    • 5.1 Introduction
    • 5.2 Summary
    • 5.3 Conclusion
    • 5.4 Recommendation

    REFERENCES


    ABSTRACT

    Mercury (Hg) is a global toxin with great health concerns, which is released to ecosystem from both natural and anthropogenic sources. The study scrutinizes the Mercury contamination in selected foodstuffs and potential health risk assessment along Owerri-west, Imo State. In achieving this aim, the following specific objectives were laid out to investigate mercury (Hg) contaminations in agricultural soil and its contamination using contamination factors (CF) and transfer factors (TFs), evaluate the potential health risk of the local people in Imo State, and examine the contaminations in foodstuffs including fish muscles, vegetables and cereal crops. The Hg and MeHg are harmful to the central and peripheral nervous system. Harmful effects resulting from the inhalation of Hg include digestive, lungs and kidneys problems, immune systems and nervous system problem and may be fatal. Children and developing fetus are more susceptible and may be exposed to MeHg causing neuro developmental problems. This study will be of immense benefit to researchers who intend to know more on this study and can also be used by non-researchers to build more on their research work. This study contributes to knowledge and could serve as a guide for other study. For this purpose, soils were analyzed for Hg concentrations and evaluated for the enrichment/contamination using enrichment factor or contamination factors (CF). The CF values ranged from 18.9 to 153 showed multifold higher levels of Hg contamination as compared to background or reference site. Food stuffs including vegetables, seeds or grains and fish muscles showed Hg accumulation. Results revealed that Hg concentrations in foodstuffs were higher than the critical human health value set by European Union. The Hg in foodstuffs was consumed and, therefore, evaluated for the risk assessment indices using the daily intake (DI) and health risk index (HRI) for the exposed human population both children and adults.


    CHAPTER ONE

    1.1 Introduction

    Mercury (Hg) is a global toxin with great health concerns, which is released to ecosystem from both natural and anthropogenic sources (Dai et al. 2013; Niane et al. 2015). Natural sources are weathering and erosion of metallic Hg and sulfide ores like cinnabar HgS and anthropogenic sources include mining, industries and agriculture activities (Pinedo-Herna´n- dez et al. 2015; Yang et al. 2015). During processes, the Hg forms amalgam with gold. Then, amalgam is heated that could escape the Hg to the atmospheric environment and deposited on various compartments like surrounding soils and aquatic ecosystems (Biber et al. 2015; Rodrigues et al. 2014).

    As a prelude to other parts of this study, this chapter will discuss the background upon which this study was initiated, the statement of problems that led to this study, the Aim and Objectives of the study. Others are Significance of the study, Scope of work, Research hypothesis and questions, Limitations of the Study and Definition of technical terms.

    …

    CHAPTER TWO

    LITERATURE REVIEW

    2.1 Introduction

    This chapter focuses on the review of related literature. A literature review includes the current knowledge as well as theoretical and methodological contributions to a particular topic. It documents the state of the art with respect to the topic you are writing. It surveys the literature in the topic selected. In this research work the literature review includes the conceputal review, theoretical framework, the review of related literature …

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