Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/56124
Title: Is the use of supermarket trolleys microbiologically safe? Study of microbiological contamination
Authors: Carrascosa Iruzubieta, Conrado Javier 
Sanjuán Velázquez, Esther 
Millán Larriva, Rafael 
Martín, Sara
Saavedra, Pedro
Raposo, António
del Rosario-Quintana, Cristóbal
Jáber Mohamad, José Raduán 
UNESCO Clasification: 3206 Ciencias de la nutrición
Keywords: Food baskets-child seats
Handles
Microbiological contamination
Shopping trolleys
Surfaces
Issue Date: 2018
Journal: Journal of Applied Animal Research 
Abstract: Microbial contamination in shopping trolleys (eighty five) by considering different supermarkets (seven) from three major food companies in Las Palmas de Gran Canaria (Spain) was determined. The two sampled areas were trolley handles and food trolley baskets-child seats. Samples were analyzed by selective and differential microbiological culture media. E. coli four (2.4%) indicative of faecal contamination, Klebsiella pneumoniae twelve (6.5%) and Citrobacter freundii, six (5.1%), which have been isolated from human faecal samples, were isolated from trolleys; Pseudomonas rhodesiae, five (4.25%), and Pseudomonas fluorescens, three (2.55%), which both evidenced environmental contamination. Significant differences among the companies were found for the Enterobacteriaceae and coliforms. Regarding location, these differences (p < 0.003) were observed only for the coliform rates, which were higher in trolleys located outside. The results of this study suggest the implementation of cleaning and disinfection programmes to improve trolley sanitation, and to reduce exposure to both potential pathogenic and transmitting bacterial infections.
URI: http://hdl.handle.net/10553/56124
ISSN: 0971-2119
DOI: 10.1080/09712119.2018.1555091
Source: Journal of Applied Animal Research [ISSN 0971-2119], v. 47 (1), p. 17-23
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