Chemical and microbial quality of bottled drinking water in Gonabad city, Iran: Effect of time and storage conditions on microbial quality of bottled waters

Shams, M. and Qasemi, M. and Afsharnia, M. and Mohammadzadeh, A. and Zarei, A. (2019) Chemical and microbial quality of bottled drinking water in Gonabad city, Iran: Effect of time and storage conditions on microbial quality of bottled waters. MethodsX, 6. pp. 273-277.

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Abstract

Reports from bottled water (BW) industries show a rapidly increasing rate of global bottled water consumption. The present paper contains data on chemical and microbial quality of bottled waters marketed in Gonabad city, Iran. The data on the effect of time and storing conditions on microbial quality of bottled water also is reported. The physical and chemical parameters of all 9 studied BW brands meet well with those mentioned on the labels. All BW sampled also were free of pathogenic indicators (total coliforms, fecal coliforms, fecal streptococci and clostridium perfringens). BWs kept in refrigerator have minimal heterotrophic and pathogenic bacterial count. The highest bacterial count was observed when BWs were exposed to indirect sunlight at room temperature. Presence of heterotrophic and especially pathogenic bacteria reduced significantly when the samples were placed to direct sunlight. In all samples, apart from where they were kept, the heterotrophic and pathogenic bacterial counts showed an increasing trend after bottling. © 2019 The Author(s)

Item Type: Article
Additional Information: Cited By :1 Export Date: 16 February 2020 Correspondence Address: Mohammadzadeh, A.; Department of Microbiology, Faculty of Medicine, Gonabad University of Medical SciencesIran; email: alirez.mohammadzadeh@gmail.com
Uncontrolled Keywords: Bottled water Chemical quality Microbial quality drinking water edetic acid unclassified drug Article bacterial count chemical parameters Clostridium perfringens coliform bacterium cross-sectional study fecal coliform heterotrophy Iran microbiological parameters nonhuman priority journal screening storage Streptococcus sunlight time water quality
Subjects: QW Microbiology and Immunology
Divisions: Mashhad University of Medical Sciences
Depositing User: mr lib1 lib1
Date Deposited: 27 Jun 2020 05:37
Last Modified: 27 Jun 2020 05:37
URI: http://eprints.mums.ac.ir/id/eprint/18638

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