Preservation of Palm Wine Using Ultraviolet Radiation

Preservation of Palm Wine Using Ultraviolet Radiation

Project / Seminar Material
Reference ID: PS-3259-TM

DEDICATION

This research material titled “Preservation of Palm Wine Using Ultraviolet Radiation” is dedicated to God for his enabling grace, and to all computer enthusiasts who contributed to make life a pleasant experience during my research documentation.

ACKNOWLEDGEMENT

I extend my sincere gratitude to all those who contributed to the completion of this project. Special thanks to my Supervisor (Name of your Supervisor), the Head of Department (Name of your HOD), the Lecturers in the department of Chemical Engineering, Book Authors and Profound Scholars of existing or related project material on “Preservation of Palm Wine Using Ultraviolet Radiation” for their invaluable guidance, support, and expertise throughout the journey.

I am also grateful to your study area (mention any funding organizations, if applicable) for their financial assistance. This research would not have been possible without the encouragement and assistance of some stakeholders (mention any mentors, teachers, or colleagues). Additionally, I would like to acknowledge the understanding and patience of my family and friends during this endeavor. Your unwavering support has been a constant source of motivation. Thank you all for being part of this meaningful endeavor.

Preservation of Palm Wine Using Ultraviolet Radiation

TABLE OF CONTENTS

PRELIMINARY PAGES

CHAPTER ONE

  • 1.0 Introduction
  • 1.1 Background of the Study
  • 1.2 Statement of the problem
  • 1.3 Aim/Objective of the Study
  • 1.4 Scope and Limitation of the Study
  • 1.5 Method of Research
  • 1.6 Significance of the Study

CHAPTER TWO

  • 2.0 Literature Review
  • 2.1 History of Palm Wine
  • 2.2 Physical Properties of Palm Wine
  • 2.3 Chemical Properties of Palm Wine
  • 2.4 Types of Palm Wine
  • 2.5 Composition of Palm Wine
  • 2.6 Physical Composition of Palm Wine
  • 2.7 Chemical Composition of plant wine
  • 2.8 Biological Composition of Palm Wine
  • 2.9 Production of palm wine
  • 2.10 Uses of Palm Wine
  • 2.11 Historical Development of Preservation
  • 2.12 Method of Preservation of Palm Wine
  • 2.12.1 By Canning Method
  • 2.12.2 Pressure Canning
  • 2.12.3 Pasteurization
  • 2.12.4 Refrigeration
  • 2.13 Yeast present in palm wine
  • 2.14 The acidity of palm wine stability, temperature and wine stability
  • 2.15 Kinetics of destruction of micro-organism Detoriation in palm wine
  • 2.16 Alcoholic content determination
  • 2.17 Distillation process

CHAPTER THREE

  • 3.0 Methodology
  • 3.1 Materials
  • 3.1.1 Samples Collection of Palm Wine
  • 3.1.2 Equipment Used
  • 3.2 Method
  • 3.2.1 Analysis of the Raw Palm Wine
  • 3.2.1.1 pH Value
  • 3.2.1.2 Sugar Content (Sucrose oBrix)
  • 3.2.1.3 Specific Gravity
  • 3.2.2 Palm Wine Sterilization Using Ultraviolet Radiation

CHAPTER FOUR

  • 4.0 Result and Discussion
  • 4.1 Characterization of Raw Palm Wine
  • 4.2 Discussion
  • 4.2.1 Effect of UV Sterilization on the pH of Palm Wine
  • 4.2.2 Effect of UV Sterilization on the Sugar Content of Palm Wine
  • 4.2.3 Effect of UV Content of Palm Wine Sample

CHAPTER FIVE

  • Conclusion and Recommendation
  • 5.1 Conclusion
  • 5.2 Recommendation

REFERENCES

APPENDIX I

APPENDIX II

APPENDIX III

APPENDIX IV

ABSTRACT

This study was aimed at the Preservation of Palm Wine Using Ultraviolet Radiation. The experiments were done using an ultraviolet sterilizer at time intervals of 2, 4,7,25 and 29hours. The freshly tapped palm wine was first analyzed and result shows that the pH, sugar content, specific gravity titrable acidity, alcohol and total solids recorded values of 6.60, 5.40, 0.984g/m3, 0.66, 4.2(%by/v) and 10.5g/100ml respectively. On the other hand, the result of the sterilized palm wine shows that as time increases, the pH increases from 6.60-6.69. Also sugar content increases from 5.40 -6.82 as time increases from 0-29hours. However, the alcoholic content decreases from 4.20-1.50(%by/v) as time increased. Conclusively, the ultraviolet radiation was effective in stopping the fermentation of the palm wine.

Preservation of Palm Wine Using Ultraviolet Radiation

CHAPTER ONE

1.0 Introduction

1.1 Background of the Study

Palm wine is an important alcoholic beverages resulting from the spontaneous fermentation of the sap of which has been attributed to years and bacteria (Okafor, 1978).

Palm wine is consumed in parts of Africa, Asia and South America. In Nigeria, the two principal sources of sap for palm wine. Fermentation is the oil palm (Ecaeis guineesis) and the Raphia palms (Raphia SPP). It is highly perishable liquid consisting mainly of water, sugar, vitamin and mainly of aroma and flavor components in every small amount. Palm wine have several nutritional, medical, religious and social uses which have been reported elsewhere (Faparvunis, 1966). Odemiymi1977; (Ikenebomeh and Omayunil 1988; Uzogara et al., 1990, Iheonu, 2000).to have increasingly enhanced the demand for this natural product.

Fermentation begins immediately after collection as a result of natural yeasts in the air and wine within two hours, the alcoholic content reaches approximately 4%.

At this stage, the product is sweet while mildly intoxicating aromatic beverages continued fermentation for up to 24hours and sour white drink. This palm wine can also be distilled into whisky —like drinks with higher alcoholic content (up to 40%) beyond a certain threshold; the wine no longer gains alcohol (Adam, 1995).

Many factor including the species of the tree, the season of the year, time of day at harvest and type of soil impact the alcoholic content of the wine. In-fact, these factors play a key role in the characteristics of the final product as rudimentary storage and production facilities do little to preserve to avoid fermentation of micro-organism which can affect the pH values, sugar content, alcoholic content, refractive index and specific gravity. These can be affected due to micro-organism and bacterial that has contaminated with the product. If it carefully preserved, it will retains all nutritional values and last for a short periods of time, days and weeks.

Preservation can be achieved in the difference ways either by physical or chemical method, preservation method of palm wine has perfected locally, it involves pasteurizing and bottling of the palm wine which increase its shell life to over six months.

This method of palm wine preservation makes it more hygienic and consequently more attractive to the city dwellers (Rangana, 1986).

Physical preservation entails process such as refrigeration, drying, pasteurization,sterilization etc.

Preservation additives reduce the risk of product borne infection, decrease microbial spoilage and preserve fresh attributes and nutritional quality.

Some physical techniques include dehydration, U.V.C radiation, freezing, drying, refrigeration, pasteurization, sterilization etc. (Ran Gana,1986).

1.2 Statement of the Problem

Palm wine is an alcoholic beverages created from the fermented sap of various palm trees. It is collected (or tapped) from tall palm tree or raffia tree which is shorter and thus more accessible. There are reports that some people also collected sap from oil palm tree(Elaisguineenis). However, sap from a palm tree (Raffia tree) is milkier and sweeter. When palm wine is tapped fresh and not fermented, it is considered a fruit juice or drink as it contains no level of alcohol% which makes it highly nutritious and beneficial to the body.

Fermentation of palm wine begins immediately after collection as a result of natural yeasts in the air and wine.

Within two hours, the alcohol content reaches approximately 4%. At this stage, the product is a sweet while mildly intoxicating aromatic beverage continued fermentation for up to 24hours results in a more alcoholic acidic, sour and bacteria.

Formation of bacteria can be achieved by by preservation of palm wine using different method like physical which includes ultraviolet radiation, freezing and pasteurization, and chemical methods which involves introducing a chemical in the palm wine.

This research work seeks to x-ray the preservation of palm wine using UV radiation.

1.3 Aim / Objective of the Study

The aim of the study is to preserve palm wine using ultraviolet rays.

This aim will be achieved through the following objectives.

  1. To study the characteristics properties of the raw fresh palm wine.
  2. To study the effects of process parameters like time, pH, specific gravity, alcoholic content, refractive index on the preservation.
  3. To study the characteristics properties of the palm wine after the preservation.

1.4 Scope and Limitation of the Study

The following areas will be covered in the research.

  1. Collection of palm wine
  2. Characteristics of the palm wine
  3. Preservation of the palm wine using ultraviolet rays.
  4. Characterization of the palm wine after preservation.
  5. The use of ultraviolet radiation for palm wine preservation leads to poor penetrability.
  6. There is the possibility of a decrease in the taste and flavor of the palm wine after preservation.

1.5 Method of Research

The information on this research project was gotten from chemical Engineering journals, chemical Engineering textbooks, internet exploration, and resource consultants in the field of knowledge as well as practical/experimental work.

1.6 Significance of the Study

The following are the contributions of this research:

…

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 …

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