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Determination of the Cyanide Content of Cassava Tuber

Determination of the Cyanide Content of Cassava Tuber

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DEDICATION

This research material, titled “Determination of the Cyanide Content of Cassava Tuber” is dedicated to God for His boundless grace and guidance. It is also a tribute to all computer enthusiasts whose contributions made my research journey smoother and enriched my documentation process, making the experience truly fulfilling.




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 Science Laboratory Technology (SLT) for their invaluable guidance and support. I also acknowledge the contributions of authors and scholars whose works on Determination of the Cyanide Content of Cassava Tuber 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.




ABSTRACT

Determination of the cyanide contents of cassava tubers harvested the same day and a day after has been carried out. The results of the analysis indicates that the level of cyanide in cassava tuber reduces with time, the freshly harvested cassava tuber has more cyanide content than the cassava that is harvested and last to stay for one day. The cyanide content of cassava harvested the same day is 0.676mg/100g while the one harvested and left to stay for one day has a cyanide content of 0.06060mg/100g,



Determination of the Cyanide Content of Cassava Tuber


1.0 Introduction

Hydrogen cyanide is a colourless liquid or gas with a faint, bitter almond odour. It has a molecular formular HCN. It is reading soluble in water. Its solution in water is known as hydrocyanic acid or prussic acid. Its other name is fermonitrile. Salt of HCN are called cyanides, formonitriles is a poisonous substance, as such it is often regarded as an antinutritional factor. Cassava root, a dietary steple in many tropical regions contains cyanogenic glucose such as linaman, which releases cyanide (CN) when metabolized endogenously (Kamalu, 1995).

People eating food that contain low level of cyanide for a long time develop damage to the central nervous system (CNS) and thyroid glands (Jantz and Uluwaduge, 1997). Long time ingestion of food containing cyanide can lead to deafness, vision problems and loss of muscle coordination, the effect of this on thyroid gland I screatinism (retarded physical and mental growth in children) or enlargement and over activity of the gland. Other effects of cyanide include pancreatic diabetics vitamin B12deficiency, and decreases iodine up take (Makkar and Becker, 1998). Liver inflammation and haemorrhage, kidney, adrenal, myocardinal and testicular lesion have been observed in dogs that consumes cassava containing low amount of cyanide (Abaye, 1998). Also it has been reported that consumption of food substance containing hydrogen cyanide may cause death within few hours.

This is however dependent on the amount of consumed in the food material. Most importantly the recommended safe (tolerable) limit of cyanide for human consumption is 10mg kg-1.

1.1 Statement of the Problem

Investigation revealed that cyanide has been reported to be major cause of the death of livestock and man feeding on leaves, steam and poorly processed cassava tubers this has prompted, for a project work to be carried out on the determination of cyanide content of cassava tuber harvested, the same day and two days latter.


1.2 Aim and Objectives of the Study

The aim of the study is to determine the Cyanide Content of Cassava Tuber. In achieving this aim, the following specific objectives were laid out as follows:

  1. To sustain an enhance food security and livelihood of farmers and processors by assisting them to successfully produce their produce with compliance with food safety standard for cassava products.
  2. To assess cyanide content in cassava harvested the a day and the other left for a day later.
  3. To access cyanide content in processed cassava to determine how different processing technique can help reduce cyanide content.

1.3 Significance of the Study

The result of this project work would be useful in the determination of cyanide content of cassava tubers.


CHAPTER TWO

2.0 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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Defense Procedure for Science Laboratory Technology Researchers


In preparation for defending a project or seminar on Determination of the Cyanide Content of Cassava Tuber, it is imperative that as a nursing student, you demonstrate comprehensive knowledge of your research. The defense process is structured to include presenting your work, answering questions, and illustrating its pertinence. Initially, provide a succinct yet thorough introduction to your research topic, emphasizing its importance and the objectives, ensuring that both the audience and the External Examiner can understand the scope of your study.


Prior to your defense, be thoroughly acquainted with your research abstract and the critical elements of Chapter One, including motivation for embarking on this research, problem statement, objectives, and significance. In Chapter Two, be ready to cite at least two references from the literature review. For Chapter Three, you should be equipped to discuss the methodologies, tools, and techniques utilized. In Chapter Four, defend your research by justifying the findings and linking them to your research objectives.


Conclude your defense by succinctly summarizing the study and offering insightful, evidence-based recommendations. A professional dress code, such as wearing a suit and tie, is vital to create a favorable impression and elevate your presentation.


During the question and answer segment, the External Examiner may pose questions pertaining to your research. If confronted with a challenging or irrelevant question, respond diplomatically with, “Sorry, Sir/Madam, the question asked is beyond the scope of my study.” Whenever possible, direct your answers back to your research findings to reinforce your expertise.


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