Title

Impact of bottled water storage duration and location on bacteriological quality

Authors

Authors

S. J. Duranceau; H. P. Emerson;R. J. Wilder

Comments

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Abbreviated Journal Title

Int. J. Environ. Health Res.

Keywords

bottled water; heterotrophic plate count; microbiological growth; water; storage; NATURAL MINERAL-WATER; MICROBIOLOGICAL QUALITY; DRINKING-WATER; PSEUDOMONAS-AERUGINOSA; TUMOR-GROWTH; BACTERIA; CANADA; SOLD; SALMONELLAE; TEMPERATURE; Environmental Sciences; Public, Environmental & Occupational Health

Abstract

An investigation studying the effects of storage duration and location on the persistence of heterotrophic microorganisms in oligotrophic bottled water environments has been completed. One-gallon high-density polyethylene water containers stored for up to 16 weeks at temperatures ranging from 2 degrees C to >49 degrees C in a refrigerator, indoor cabinet, covered porch, and car trunk were evaluated for microbiological quality. Heterotrophic plate counts (HPCs) of up to 4 x 10(3) cfu/mL were detected in containers stored on a porch and car trunk; whereas, HPCs were found not to exceed 400 cfu/mL and 100 cfu/mL for bottles stored in indoor cabinets and refrigerators, respectively. Containers stored on an enclosed porch for up to seven years contained HPC of up to 4 x 10(4) cfu/mL. Logistic and Gompertz growth models predicted microbial growth rates for bottled water stored on a protected porch environment for long (R-2 0.99) and short-term (R-2 0.86) durations.

Journal Title

International Journal of Environmental Health Research

Volume

22

Issue/Number

6

Publication Date

1-1-2012

Document Type

Article

Language

English

First Page

543

Last Page

559

WOS Identifier

WOS:000310590100005

ISSN

0960-3123

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