Do Milk Samples Stored for 12 Days after Collection Exhibit a Change in Composition Related to the Initial Bacterial Load?

Total bacterial count (TBC) is a tool used to assess milk quality and is associated with not only the initial sample contamination but also the sample storage time and temperature. Several countries have reported milk samples with a high TBC, and the influence of TBC on milk preservation remains unc...

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Bibliographic Details
Published in:Journal of food protection 2016-05, Vol.79 (5), p.816-820
Main Authors: de Freitas, Larissa Nazareth, Cassoli, Laerte Dagher, da Silva, Janielen, de Figueiredo Pantoja, José Carlos, Machado, Paulo Fernando
Format: Article
Language:English
Subjects:
Age
Animals
Bacterial Load
Cell Count
Colony Count, Microbial
Dairy farms
Dairy industry
Farms
Food contamination & poisoning
Food Preservation
Food safety
Fourier transforms
Laboratories
Lactose
Microorganisms
Milk
Milk - microbiology
Nitrogen
Preservatives
Proteins
Quality
Refrigeration
Temperature
Time Factors
Urea
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Summary:Total bacterial count (TBC) is a tool used to assess milk quality and is associated with not only the initial sample contamination but also the sample storage time and temperature. Several countries have reported milk samples with a high TBC, and the influence of TBC on milk preservation remains unclear. Thus, the aim of this study was to evaluate the impact of the initial bacterial contamination level on the macrocomponents and somatic cell count (SCC) of raw milk samples preserved with bronopol and maintained at two storage temperatures (7 and 25°C) for up to 12 days. Thus, we collected milk samples from 51 dairy farms, which were divided into two groups according to the initial bacterial load: low TBC (
ISSN:0362-028X
1944-9097
DOI:10.4315/0362-028X.JFP-15-502