Original Articles
Vol. 1 No. 1 (2011)
https://doi.org/10.4081/ijfs.2011.753

PRELIMINARY INVESTIGATION ON THE BACTERIOLOGICAL QUALITY OF MICROFILTERED DRINKING WATER DISPENSERS IN CATERING ESTABLISHMENTS

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Received: 3 January 2013
Published: 1 April 2011
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water dispensers, Pseudomonas aeruginosa, microfiltered drinking water, catering

Authors

M.A. Marzano
lucia.zoppi@pagepress.org
Dipartimento di Scienze e Tecnologie Veterinarie per la Sicurezza Alimentare – Facoltà di Medicina Veterinaria - Università degli Studi di Milano, Italy.
C.M. Balzaretti
Dipartimento di Scienze e Tecnologie Veterinarie per la Sicurezza Alimentare – Facoltà di Medicina Veterinaria - Università degli Studi di Milano, Italy.
The bacteriological quality of microfiltered drinking water dispensers was evaluated, through enumeration of heterotrophic plate count at 22 and 37 °C, total coliforms, Escherichia coli, Enterococcus spp. and Pseudomonas aeruginosa. The aim of this research was to control the hygiene of the microfiltered water and to evaluate the effectiveness of the microfiltration procedure on the survival of bacteria. In total, 54 water samples were analyzed. The results indicated a high contamination frequency with P. aeruginosa (25 and 20% in room temperature and chilled water samples, respectively) and therefore the need to improve the efficacy and the frequency of the dispenser sanitation procedures.

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1.
PRELIMINARY INVESTIGATION ON THE BACTERIOLOGICAL QUALITY OF MICROFILTERED DRINKING WATER DISPENSERS IN CATERING ESTABLISHMENTS. Ital J Food Safety [Internet]. 2011 Apr. 1 [cited 2026 Sep. 11];1(1):61-5. Available from: https://www.pagepressjournals.org/ijfs/article/view/ijfs.2011.1.61

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