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Extraction and Characterization of Oil From Cashew Nut

Extraction and Characterization of Oil From Cashew Nut

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DEDICATION

This research material, titled “Extraction and Characterization of Oil From Cashew Nut” 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 Chemical Engineering for their invaluable guidance and support. I also acknowledge the contributions of authors and scholars whose works on Extraction and Characterization of Oil From Cashew Nut 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

This study was carried out to extract oils from cashew nut and to characterized oils with the view to ascertain their suitability for consumption and other uses. Soxhlet apparatus was used for its extraction using ethanol as solvent. The physical and chemical properties of the extracted oil were analyzed. The percentage oil extracted from the shell of the cashew was found to be 64.25%. The results of the physical analysis showed that the cashew nut shell liquid CNSL is golden colour. The boiling points for shell is 1500C respectively. And the properties of CNSL conformed to a greater extent to that exhibited by linseed oil. This suggests its application in the processing and manufacturing industries.


Extraction and Characterization of Oil From Cashew Nut

CHAPTER ONE

1.0 Introduction

1.1 Background of the Study

The cashew tree (Anarcardium Occidentale) is a native of Brazil and the lower Amazons. The cashew has been introduce and is valuable cash crop in the America, the West Indias, Madagascar, India and Malaysia (Frankel 1991). As far back as 1967. Tyman and Morrris, describe the composition of cashew nutshell liquid (CNSL). The economic importance of the special tree is such that while the tree is native to central and south America, it is now widely distributed through out the tropics, particularly in many, parts of Africa and Asia. The cashew tree will tolerate a wild range of condition including drought and poor soil, but cannot withstand cold forest.The major producing countries of cashew are Tanzania, India, Mosambique, Sirilanka, Kenya, Madagasar, Thailand, Malaysia, Indonesia, Nigeria, Senegal, Malawi and Angola. World bank has estimated that 97% of production is from wild trees and only 3 percent is from established plantation (Rosengarten, 1984). Gibbon etal (1981) reported that many trees are found growing wild and that the plant germinate poorly, those that are cultivated are propagated by seed which are planted at a rate of 2-3 per hole due to poor germination rates. Cashew nut is a high edible nut, it yields two “oils” one of these found between the seed coat (or pericarp) and the nuts is called the cashew nut shell liquid (CNSL). It is not a triglyceride and contains a high proportion of phenolic compound. It is used in industry as a raw material for brake ting compounds as a roofing agent, a preservative and in the manufacturing of paints and plastics. It is toxic and corrosing to the skin. Cashew apples are osmo-soldried to produce a data like ceramel.

1.2 Aims and Objectives

This project is aimed at the analysis of cashew nut and its oil. The main objective of this study is to carry out proximate analysis and physio-chemical properties of cashew nut oil extracted by solvent methods this physio-chemical properties determines are specific gravity , refractive index, pH value and value peroxide value and saponification value, to achieve the objective of this project, it is important to:

a) Select the best suited solvent for optimum yield.

b) Characterize the extracted solvent oil for composition and properties

c) Test the suitability of the oil.

1.3 Scope of the Study

In this project work, we intend to analyse and extract completely oil from cashew nut. Many research work has been done in giving a detail composition found in cashew nut. But this research account on the optimum route to

Extraction of oil from cashew nut

Separation of pure oil from the solvent

Characterization of the oil from cashew nut

…

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 Chemical Engineering Researchers

In preparation for defending a project or seminar on Extraction and Characterization of Oil From Cashew Nut, 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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