Effect of particle size on oil yield using scent bean seed (‘ozaki’).
This project was done to extract and characterize bean oil according to their
particle sizes. The experiment was carried out using scent bean (i.e. ‘Ozaki’,
‘Ijilizi’or ‘Azamu’) as sample. The oils were extracted by solvent extraction
/leaching extraction using n-hexane. Proximate analysis was carried out to obtain
percentage moisture content, ash content, total oil content, protein content and
carbohydrate content of the extracted oils. From observation, it was noticed that as
the diameter of the sieve decreased, the quantity of oil obtained increased
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Title page
Certification
Dedication
Acknowledgement
Abstract
Table of contents
CHAPTER ONE
Introduction 1
Background of study 1
Problem of statement 4
Objectives of study 5
Significance of study 5
Justification of study 6
CHAPTER TWO
Literature review 7
Preamble 7
Importance of oils 8
Proximate composition of oil 10
Moisture content 11
Ash content 11
Crude protein 12
Crude fat 12
Crude fibre 13
Carbohydrate 13
Concept of vegetable oil extraction 14
The role of moisture and temperature in oil extraction 14
Traditional extraction of vegetable oil 16
Solvent extraction of vegetable oil/leaching method 17
Solvent characteristics 18
Mechanical expression of vegetable oil 22
Quality oil assessment 23
Objective method of assessing oil quality 24
Properties of oil 25
CHAPTER THREE
Materials and method 28
Raw materials and equipment used 28
Equipments 29
Reagent 29
Oil extraction and separation experiments 29
CHAPTER FOUR
Result and discussion 31
Experimental results 31
CHAPTER FIVE
Conclusion and recommendation 37
Appendixes 39
References 42
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