FUNGAL INFUSTATION ON BAKERY PRODUCT DREAM
ABSTRACT
This project work which is all about the fungal infestation of bakery product BREAD, explain the kind or type of fungal organisms that are responsible for the spoilage on contamination of bread. The infestation of fungal organism on bread depends on the kind and number of the agent present and upon the environment about them. this statement makes it clear that micro organism infest foods having suitable environment condition for their microbial activity. This project work is centered on knowing the fungal micro-organisms that infests bread which emails the isolation and identification of the fungal organisms, the source of coutanmination a known standardized system called hazard analysis critical control point which ensures hygienically produced breads. The material and method email the collection of bread samples from five different shops AT Artisan market, Enugu, the method used is the isolation technoloque and the identification of filamention fungi and yeast by wet mount and fluorescence microscopy. The result obtained were gotten by counting the colonies grown on the culture medium (Nutrient agar) and the mean of duplicate was then calculated, some fungal micro organisms seen viewed unbder the microscope are as follows;
Mucon SpP
Aspergillus flarus
Aspergillus fumigatus
Penicillium Spp
Rhizopus Spp
LIST OF TABLES
Table 1 Composition of the medium
Table 2 Daily observation of bread at room temperature
TABLE 3 Fungal load of the cultured bread
Table 4 Cultural and morphological characteristics
TABLE OF CONTENT
Title page
Certification
Dedication
Acknowledgement
Abstract
List of table
Table of contents
CHAPTER ONE
INTRODUCTION
1.1 Background information
1.2 Aims and objective of study
1.3 Hypothesis
1.4 Statement of problem
1.5 Significance of study
1.6 Limitation of study
CHAPTER TWO
LITERATURE REVIEW
2.1 Composition of bread and its requirement
2.2 Sources of contamination
2.3 Infestation of bakery products
2.4 Types of spoilage in bread
2.5 The hazard analysis critical control point
2.6 Degradation and deterioration of bread
2.7 Mycotoxin
2.8 Preservative
CHAPTER THREE
MATERIALS AND METHOD
3.1 Sample collection
3.2 Material used for the preparation of the medium
3.3 Preparation the medium
3.4 Isolation and identification procedure
3.4.1 Isolation method
3.5 Identification of fungi
CHAPTER FOUR
4.1 Result
4.2 Discussion
CHAPTER FIVE
5.1 Conclusion
5.2 Recommendation
REFERENCES .
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND INFORMATION.
Food can be contaminated with spoilage on pathogenic organisms ( micro). Infestation of these fungal organisms spoil the product so that it is not fit to eat; it also changes the taste so that the product is not desirable. The concept of food infestation of fungal organisms is based on the consipteration for fiutres of consumption. Infestation is defined as the over presence alone has led to its growth and microbial activity. Pathogenic organisms however can cause food poisoning. Food poisoning can arise through infatuation of food by organisms (micro) which secrete toxins which B their consumed. The cost of fungal infested bread resulting to spoilage is also great with loss of money due to wastage of the raw materials. Also considering the usefulness of this product in the community with the management of money being spent it has also helped in the sense that since it is regarded as a fast food it is being bought and consumed directly without further preparations done. Effect of contaminated bread in the society can lead to an epidemic of gastrointestinal disorder where by that particular environment that consumed the contaminate bread become affected there by developing stomach upset. As a result of this a lot of consideration should be given to breads that are sent into the community to be sold and this is done by the standardized system called HACCP ie hazards Analysis critical control point. This method is now generally considered as a choice for ensuring safety of foods (jay 1996 de Boer and Beumer 1999) hazzard analysis critical control point involves identifying places in the production process where hazzard could occur. i.e. the CCp (critical control point” and putting monitoring procedures in place to prevent these hazards occurring even with this system in place samples still need to be tested for the presence of micro organism.
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