EFFECTIVE USE OF A TROPICAL HOP NAMED BITTER LEAF [VERNONIA AMYGDALINA] EXTRACT AS A MEANSOF EXTENDING THE SHELF – LIFE OFLOCALLYBREWED MILLET BEER | Blazingprojects Postgraduate Thesis
Home / Biochemistry / EFFECTIVE USE OF A TROPICAL HOP NAMED BITTER LEAF [VERNONIA AMYGDALINA] EXTRACT AS A MEANSOF EXTENDING THE SHELF – LIFE OFLOCALLYBREWED MILLET BEER

EFFECTIVE USE OF A TROPICAL HOP NAMED BITTER LEAF [VERNONIA AMYGDALINA] EXTRACT AS A MEANSOF EXTENDING THE SHELF – LIFE OFLOCALLYBREWED MILLET BEER

 

Table Of Contents


Chapter ONE

INTRODUCTION

  • 1.1Introduction
  • 1.2Background of Study
  • 1.3Problem Statement
  • 1.4Objectives 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 Brewing Industry
  • 2.2Historical Perspective of Brewing
  • 2.3Types of Brewing Processes
  • 2.4Ingredients Used in Brewing
  • 2.5Microbial Spoilage in Brewing
  • 2.6Preservation Techniques in Brewing
  • 2.7Studies on Shelf-life Extension
  • 2.8Bitter Leaf Extract in Food Preservation
  • 2.9Previous Research on Bitter Leaf Extract
  • 2.10Comparative Analysis of Brewing Methods

Chapter THREE

RESEARCH METHODOLOGY

  • 3.1Research Design
  • 3.2Sampling Techniques
  • 3.3Data Collection Methods
  • 3.4Data Analysis Procedures
  • 3.5Experimental Setup
  • 3.6Quality Control Measures
  • 3.7Ethical Considerations
  • 3.8Statistical Tools Used

Chapter FOUR

DATA PRESENTATION AND ANALYSIS

  • 4.1Analysis of Brewing Process
  • 4.2Evaluation of Bitter Leaf Extract
  • 4.3Shelf-life Assessment Techniques
  • 4.4Experimental Results Interpretation
  • 4.5Comparison with Control Samples
  • 4.6Statistical Analysis of Findings
  • 4.7Discussion on Preservation Efficacy
  • 4.8Implications for Brewing Industry

Chapter FIVE

SUMMARY, CONCLUSION AND RECOMMENDATIONS

  • 5.1Summary of Findings
  • 5.2Conclusion and Recommendations
  • 5.3Significance of Research Contributions
  • 5.4Areas for Future Research
  • 5.5Practical Applications in Brewing Industry

Thesis Abstract

This local beer is brewed from a cereal grain called millet,and it is brewed with bitter leave extract acting as hop substitute to see if it can increase the shelf – life of this beer.The production process include malting, mashing, fermentation, and maturation.The microorganisms associated with fermentation include Saccharomyces Cerevisiae and Saccharomyces Charelienia.These yeast hasten fermentation by converting the sugar in the beer to alcohol. Kunu is an indigenous alcoholic beverages that is traditionally brewed with out hops,and because of this it has a shot shelf life as compared with that brewed with the tropical hops.There is a significant [P≥ 0.05] difference in chemical properties of millet with hops and without hops.Millet with hops is the best with alcoholic content of 0.325 ± 0.004, total acidity of 0.645 ± 0.011(% lactic acid),fixed acidity of 0.041± 0.002, specific gravity of 1.199±0.015 and pH of 4.03± 0.02.But without hops we have an alcoholic content of 0.316± 0.005, total acidity(lactic acid) of 0.427± 0.002, fixed acidity of 0.034± 0.005,specific gravity of 1.049± 0.007, and pH of 3.32±0.02.From the result the beer without hops is the lowest in acceptance of chemical properties so it is advisable that the local millet beer be brewed with the tropical hops (Vernonia Amygdalina)


Thesis Overview

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