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Intrinsic Factors And Microbial Spoilage

Satisfactory Essays

TABLE OF CONTENTS Introduction……………………………………………………………………3 Intrinsic factors in fruits………………………………………………………..4 The Ph………………………………………………………………….4 Water activity…………………………………………………………..6 Available nutrients……………………………………………………..6 Oxidation-reduction…………………………………………………...7 Physical structure………………………………………………………7 Intrinsic factors in fruit juices………………………………………………….7 Prevention of microbial spoilage in fruit and fruit juices………………………9 Conclusion……………………………………………………………………..12 Reference Appendix 1 Introduction This document demonstrates the association between intrinsic factors and microbial spoilage in fruits and fruit juices. It is guided by the following sub headings;  Intrinsic factors in fruit which includes; • The Ph • water activity • Available nutrients • Oxidation-reduction • Physical structure of food  Intrinsic factors in fruit juices  Prevention of microbial spoilage  Conclusion Fresh fruits and fruit juices are nutritious and add value to our diet. They have an average composition of 85% water, 13% carbohydrates, 0.9% protein, 0.5% fat, 0.5% ash, trace amounts of vitamins and nucleotides, less water and more carbohydrates. Their pH ranges from 1.8-5.6. Consumption of fruits has increased drastically by more than 30% for the reason that people now are aware of health eating habits (Kaufman, Handy, McLaughlin, Park & Green, 2001). On the contrary, inappropriate manipulation and storage conditions have made fruits become a source of disease

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