Effectiveness of cleaning and disinfection procedures on the removal of enterotoxigenic Bacillus cereus from infant feeding bottles

Reconstituted infant milk formulas are considered a food class of high risk because of the susceptibility of the infant population to enteric bacterial pathogens, severe response to enterotoxins, and increased mortality. Twenty infant feeding bottles, contaminated with different levels of enterotoxi...

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Bibliographic Details
Published in:Journal of food protection 1998-02, Vol.61 (2), p.196-200
Main Authors: Rowan, N.J. (University of Strathclyde, Glasgow, Scotland.), Anderson, J.G
Format: Article
Language:English
Subjects:
ALIMENT POUR NOURRISSON
ALIMENTOS PARA NINOS
Animals
Antibiotics, microbial producers, chemotherapic agents, antiseptics, disinfecting agents
Applied microbiology
BACILLUS CEREUS
Bacillus cereus - pathogenicity
Biological and medical sciences
BIOLOGICAL CONTAMINATION
BOTELLAS
Bottle Feeding
BOTTLES
BOUTEILLE
CLEANING
Colony Count, Microbial
CONTAMINACION BIOLOGICA
CONTAMINATION BIOLOGIQUE
DIET
DIETA
Disinfecting agents, antiseptics
Disinfection - methods
ESTERILIZACION
Food Packaging - standards
FOOD SAFETY
Fundamental and applied biological sciences. Psychology
Humans
Infant Food - microbiology
INFANT FOODS
INFANT FORMULAS
Infant, Newborn
INNOCUITE DES PRODUITS ALIMENTAIRES
INOCUIDAD ALIMENTARIA
LIMPIEZA
MICROBIAL CONTAMINATION
Microbiology
Microwaves
Milk - microbiology
NETTOYAGE
REGIME ALIMENTAIRE
STERILISATION (GERMES)
Sterilization
STERILIZING
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Summary:Reconstituted infant milk formulas are considered a food class of high risk because of the susceptibility of the infant population to enteric bacterial pathogens, severe response to enterotoxins, and increased mortality. Twenty infant feeding bottles, contaminated with different levels of enterotoxigenic Bacillus cereus, were subjected in triplicate to a variety of commonly used cleaning and disinfecting procedures. Although thorough cleaning reduced microbial numbers, it did not remove all B. cereus present. Three commercially available disinfection procedures (i.e., one chemical and two thermal) successfully eliminated this organism when the level of contamination was 10(5) organisms ml-1. However, the chemical disinfection method failed to eliminate enterotoxigenic B. cereus totally at potentially hazardous contamination levels (i.e., greater than or equal to organisms ml-1) that may be encountered under storage abuse conditions in the home
ISSN:0362-028X
1944-9097
DOI:10.4315/0362-028X-61.2.196