Evaluación de la contaminación microbiológica de la lechuga (lactuca sativa) en la cadena alimentaria, provincia de Quillacollo, Cochabamba, Bolivia 2015 Evaluation of microbiological contamination of lettuce (Lactuca sativa) in the food chain, province of Quillacollo, Cochabamba, Bolivia 2015

Infectious diseases transmitted by food, are considered a public health issue, several studies shown the high microbiological contamination of the letucce in particular (Lactuca sativa). The aim of this study was to evaluate the contamination of letucce at Quillacollo Province of Cochabamba- Bolivia. The samples were taken between april and may, with the same number of samples at production plots (Combuyo location), and at selling places of vegetables and food (markets) such as "9 de diciembre” market and "Central Quillacollo” market. The samples were processed at LABIMED laboratories (microbiology, and Tropical Medicine Post grade of medicine Faculty of San Simon University). Results shows contamination of lettuce with Aerobic Mesophilic Bacterias, and total coliforms and fecal coliforms, in higher concentration than standard allowed, at any point of chain food that has been evaluate; Sallmonella sp was identify at selling points with 83% of the samples and only at the