Review of related literature and studies this chapter present a discussion of related literature and previously conducted studies that have close bearing to the present study.
Related literature
Food contamination refers to the presence of the harmful chemicals and microorganisms which can cause consumer illness. This article addresses the chemical contamination which can be found as opposed to microbiological contamination hich can be found under foodborne illness. A separate issues is genetically modified foods or the presence in foods ingredients from genetically modefied organisms also referred to as a form of food constaminations. The impact of chemicals constaminates on consumer health and well-being is often apparent only after many fears of processing ( unlike most microbiological agents ). Chemicals contaminants can be classified according to the source of contamination and the mechanism by which they enter the food product. ( www.wikipedia.org.) all of the students of a chongming island primary suspected of suppering poisoning including nometing and diarrhea. Police have close the carenderia during the investigation. The schools medical will come the medical expenses. ( www.globaltime.com ) In Davao City at least 169 people mostly students landed In the hospital after eating chicken adobo at lunch during an assembly at ateneo de davao university andeterium there on Sunday in hat could be the first case of mess food poisoning in the schools history. Must probably this was caused by bacteria on the food seried . The Dr.Edward Ladrido of the epidemiological unit of the city health office said food samples retrived from the seen would be tested. It take at least a week before the test results are released and the source of the poisoning in identified,he added. Samples will also be sent to manila to be tested by the department of health. Students and stuff members who attended the students leaders assembly were rushed to various hospitals after