Journal
FOOD CONTROL
Volume 50, Issue -, Pages 809-814Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodcont.2014.10.032
Keywords
Microbrewery; Bacterial biofilm; Lactobacillus brevis; Peracetic acid
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In this study, possible sources of bacterial contamination on surfaces were identified in an Italian microbrewery. A high degree of microbial diversity was detected, which suggests very little selective pressure on these environments from cleaning agents and disinfectants, or from the presence of beer. Lactobacillus brevis, Lactobacillus lindneri, and Pediococcus pentosaceus isolates that were able to grow in beer were detected on the surfaces, among other potential beer-spoiling species. Most of the isolates showed a strong ability to form biofilms on both polystyrene and on stainless steel, and the mature biofilms on stainless steel were insufficiently inactivated by peracetic acid-based sanitiser. (C) 2014 Elsevier Ltd. All rights reserved.
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