[en] Meat is consumed worldwide as a source of animal proteins, but it is recognized as one of the most important vehicles for food borne infections in humans. This study was conducted to determine the daily intake; the levels of hygiene indicator bacteria, namely the total mesophilic bacteria (TMC) and Escherichia coli counts (ECC); and the prevalence of Salmonella in meat consumed within the households of Kigali (Rwanda). The survey on meat consumption was carried out in 400 households by using a questionnaire, whereas the bacteriological analyses of meat samples were performed by using conventional culture methods. The results from the survey indicated that beef was the type of meat mostly consumed in Kigali city households, and the daily meat intake significantly varied with the social category of the household. No significant difference was observed between daily meat intakes in different age classes of household members. In the samples where microorganisms were detected, the average levels of TMCs and ECCs in raw meat were found to be 5.4 and 1.6 log cfu/g, respectively, whereas in cooked meat they were significantly reduced to 3.1 and 1.1 log cfu/g, respectively. The prevalence of Salmonella was reduced from 21.4% in raw meat to 3.4% in ready-to-eat cooked meat. Salmonella was not detected in cooked meat consumed in high-income households. The results from this study highlight the need for hygiene improvements in meat shops as well as in the households of Kigali, particularly those with low and medium incomes.
Ongol, Martin Patrick; University of Rwanda > School of Food Science and Technology
Brostaux, Yves ; Université de Liège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Statistique, Inform. et Mathém. appliquée à la bioingénierie
Korsak Koulagenko, Nicolas ; Université de Liège > Département de sciences des denrées alimentaires (DDA) > Département de sciences des denrées alimentaires (DDA)
Daube, Georges ; Université de Liège > Département de sciences des denrées alimentaires (DDA) > Microbiologie des denrées alimentaires
Kimonyo, Anastase; University of Rwanda > School of Food Science and Technology
Sindic, Marianne ; Université de Liège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Laboratoire Qualité et sécurité des produits agro-aliment.
Language :
English
Title :
Daily intake and bacteriological quality of meat consumed in the households of Kigali, Rwanda
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