Refining Of Soya Bean Oil

Title page
Certification
Dedication
Acknowledgement
Abstract
Table of contents
List of table
List of figure

CHAPTER ONE
1.1 Introduction 1
1.2 Background of the study3
1.3 Statement of the problem 9
1.4 Objectives of the study 9
1.5 Scope of the study 10

CHAPTER TWO
2.0 Literature Review 11
2.1 Historical Background of Soyabeans 11
2.1.1 Composition of Soyabean 13
2.1.2 Soya Chemistry 14
2.2. Food Beans and Oil Beans 15
2.2.1 Health and soya Foods 17
2.3. Composition of Soyabean Oil 19
2.3.1 Triglyceric Structure 20
2.3.2 Physical Properties of Soyabean Oil 21
2.4. Recovery of Oil from Soyabean 24
2.4.1 Storage and Preparation of Beans24
2.4.2 Solvent Extraction 25
2.4.3 Oil Storage 26
2.5. Edible Oil Processing 27
2.5.1 Basic Processing Operations and
Principle Edible Oil Product 28
2.5.2 Oil Degumming and Soyabean Lecithin 29
2.6. Refining Of Soyabean Oil 31
2.6.1 Chemical (Caustic) Refining 33
2.6.2 Physical (Steam) Refining 35
2.7. Bleaching 36
2.7.1 Bleaching Process 38
2.7.2 Types of Adsorbents Used 40
2.8. Deodourization 41
2.8.1 Deodourization of Soyabean Oil 42
2.8.2 Effect of Deodourization on Oil Quality 43
2.9. Evaluation of Finished Oil Quality 43
2.9.1 Storage and Handling 44

CHAPTER THREE
3.0 Materials and Methods 46
3.1 Materials Used 46
3.2 Equipments Used 46
3.3 Reagents Used 47
3.4 Preparation of Reagents 48
3.5 Procedures 49
3.6 Testing of Oil 50
3.6.1 Test for Saponification Value 51
3.6.2 Test for Iodine Value 51
3.6.3 Test for Acidic Value . 52
3.6.4 Test for Specific Gravity 52
3.6.5 Test for Viscosity 53

CHAPTER FOUR
4.0 Results and Discussion 54
4.1 Results 54
4.2 Titration Readings 55
4.3 Discussion 58

CHAPTER FIVE
5.0 Conclusion and Recommendation 59
5.1 Conclusion 59
5.2 Recommendation 59
References 60
Appendices 62