Physicochemical properties and fatty acid composition of african star apple seed oil | Blazingprojects Postgraduate Thesis
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Physicochemical properties and fatty acid composition of african star apple seed oil

 

Table Of Contents


Chapter ONE

INTRODUCTION

  • 1.1Introduction
  • 1.2Background of Study
  • 1.3Problem Statement
  • 1.4Objective of Study
  • 1.5Limitation of Study
  • 1.6Scope of Study
  • 1.7Significance of Study
  • 1.8Structure of the Research
  • 1.9Definition of Terms

Chapter TWO

LITERATURE REVIEW

  • 2.1Overview of Physicochemical Properties
  • 2.2Importance of Fatty Acid Composition
  • 2.3Previous Studies on African Star Apple Seed Oil
  • 2.4Analytical Techniques for Studying Seed Oils
  • 2.5Nutritional Value of Seed Oils
  • 2.6Role of Seed Oils in Health
  • 2.7Economic Importance of Seed Oils
  • 2.8Sustainability of Seed Oil Production
  • 2.9Comparative Analysis of Seed Oils
  • 2.10Future Trends in Seed Oil Research

Chapter THREE

RESEARCH METHODOLOGY

  • 3.1Research Design
  • 3.2Sampling Methods
  • 3.3Data Collection Techniques
  • 3.4Data Analysis Procedures
  • 3.5Ethical Considerations
  • 3.6Instrumentation and Materials
  • 3.7Research Approach
  • 3.8Statistical Tools Used

Chapter FOUR

DATA PRESENTATION AND ANALYSIS

  • 4.1Overview of Findings
  • 4.2Physicochemical Properties Analysis
  • 4.3Fatty Acid Composition Analysis
  • 4.4Comparison with Existing Literature
  • 4.5Interpretation of Results
  • 4.6Correlation Analysis
  • 4.7Discussion on Variability
  • 4.8Implications of Findings

Chapter FIVE

SUMMARY, CONCLUSION AND RECOMMENDATIONS

  • 5.1Summary of Research
  • 5.2Conclusion
  • 5.3Contributions to Knowledge
  • 5.4Recommendations for Future Research
  • 5.5Practical Applications
  • 5.6Reflection on Research Process
  • 5.7Key Learnings
  • 5.8Final Thoughts

Thesis Abstract

Oil extracted from African star apple by continuous extraction process using soxhlet apparatus was subjected to physico chemical and fatty acid profile analysis. Results obtained show that the acid value, iodine value, peroxide value, saponification value, free fatty acid, refractive index, melting point, smoke point, flash point, fire point, and specific gravity are 30.67mg/g, 20.67mg/g, 5.00mg/g, 48.00mg/g, 0.87%, 0.96, 1.47, 19.00OC, 1.03, 122.00OC, 156.00OC, and 180.00OC respectively. All these values confirm that African star apple oil is suitable for human consumption as well as for industrial uses which compared favourably with the value obtained in palm oil, groundnut oil as well as cotton seed oil (Adewusi, 1997). In term of fatty acid profile African star apple oil contains high percentage of unsaturated fatty acids 85% oleic acid 7% and 6% of linoleic and linolenic respectively while saturated fatty acid such as arachidoic, lauric were recorded with maximum value of 17% recorded for arachidoic and lauric. Therefore African star apple oil can be described as oil that has more unsaturated fatty acids than saturated fatty acids which made it suitable for human consumption as it prevent low density lipoprotein which is a precursor of cholesterol that results into heart attack and hypertension.

Thesis Overview

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