Préventions des altérations et des contaminations microbiennes des aliments.

Abstract

The systems of medical safety of food of the developed countries and under development have problems without precedent. The food safety, whose microbiological quality of food is an essential component, represents a considerable stake. The present study was carried out with an aim to detect sources potential of microbial contamination of food during three last years in wilaya of Constantine by basing statistical data. Then to propose preventive strategies in order to avoid any contamination of the foodstuffs who will have a serious effect more or months on quality of the product and health of the consommer.and which would make it possible to guarantee healthy and nutritive food provisioning. This work comprises three parts: • A bibliographical synthesis divided into two parts in which evoking us the role of each agro-alimentary speaker of the chains and the behavior of the micro-organisms in food. • The second part comprise the method of collection of the data and interpretation of the situation of the microbial contaminations of food during years 2005-2006-2007 which have occurred on the level of the wilaya of Constantine to allow to prove the reality of the contaminations of food, to characterize the causes, to locate the most contaminated food, to identify the germs in causes and the modes of contamination of food by the 5M. • The third part recommends the preventive strategies which would make it possible to guarantee healthy food provisioning and a control of the medical safety of food.