Food And Safety: Literature Review On Food Safety

Chapter 2

2.0 Literature review

2.1 Food Safety There are many of types of bacteria in the environment, but not all of them can cause harm. For example, it can give a good impact to out digestive system. Bacteria can cause death if it affecting our food and it is called food borne illness. Spoil of food by bacteria can make the foods to smell and taste bad. These bacteria can be unsafe, but possibly will not cause illness. Commonly the appearance of food is not reflecting it condition because the food might effected by bacteria and can cause illness (Dewall, 1999). Thus, Pathogenic organism can cause Food-borne infections. Few pathogens can cause food-borne illness. Firstly, the example of pathogen is Campylobacter jejuni which can cause of diarrhea and abdominal cramps. Contaminated water, uncooked milk and poultry are usually from this pathogen. Commonly, symptoms start within 2-11 hours and can last 7-14 days (Dewall, 1999). Secondly, Escherichia coli 0157H7 or called as E.coli are another cause that can cause of food-borne illness. This bacteria cause estimated 73,000 cases of infection in U.S and from these case 60 deaths is recorded each year. The symptom of watery diarrhea is can be seen in the range 1-8 days and the worst can lead to bloody diarrhea. Other symptoms that someone affecting this bacterium are nausea, vomiting, and fever. Besides, It is also can damage the kidney and cause death to children (Dewall, 1999) 2.2 Nutrition and Immunity Nutrition is