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  • Title: Spoilage fungi in a bread factory in Brazil: Diversity and incidence through the bread-making process.
    Author: Garcia MV, Bernardi AO, Parussolo G, Stefanello A, Lemos JG, Copetti MV.
    Journal: Food Res Int; 2019 Dec; 126():108593. PubMed ID: 31732034.
    Abstract:
    This study aimed to verify the main fungal species involved in the deterioration of different types of bread and to identify the possible sources of contamination of these products. Samples of raw materials (n = 127), environmental air (n = 50) and moldy bread (n = 90) were analyzed. Aspergillus candidus, Wallemia sebi, and Penicillium roqueforti were the predominant species in the raw materials and were isolated in samples of wheat flour, in two-thirds of the samples of rye and 62.5% of the wheat flour. Penicillium roqueforti was isolated from all types of moldy bread analyzed and Hyphopichia burtoni was also present in samples of moldy wheat and rye bread. These two species were also recovered during air sampling from baking industry facilities (cooling and slice and package areas), which may be crucial for product contamination after baking. Hygienic measures to reduce airborne contamination during the cooling and packaging of food should be taken to prevent the early deterioration of bread.
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