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Microbiological contamination in peanut confectionery processing plants.

J de A Carminati1, D P Amorim Neto1, K N Morishita1

  • 1Department of Food Technology, School of Food Engineering, University of Campinas, Campinas, SP, Brazil.

Journal of Applied Microbiology
|July 19, 2016
PubMed
Summary
This summary is machine-generated.

The manufacturing environment and food handlers are primary sources of microbial contamination in Brazilian peanut confectionery production. This study highlights the need for improved control measures to ensure product safety.

Keywords:
Escherichia coliSalmonellafood safetyfood surveillancepeanutsrisk assessment

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Area of Science:

  • Food Microbiology
  • Food Safety
  • Public Health

Background:

  • Microbial contamination in food processing poses significant public health risks.
  • Peanut confectionery products are susceptible to contamination from raw materials and processing environments.
  • Enterobacteriaceae, coliforms, Escherichia coli, and Salmonella are key indicators of fecal contamination and potential pathogens.

Purpose of the Study:

  • To investigate the prevalence of Enterobacteriaceae, coliforms, Escherichia coli, and Salmonella in Brazilian peanut confectionery processing companies.
  • To identify potential sources of microbial contamination within the production lines.
  • To provide data for risk assessment and the development of control strategies.

Main Methods:

  • Survey of three peanut confectionery companies in Brazil.
  • Analysis of 59 final products, 30 raw material samples, 116 environmental samples, and 12 food handler hand surface samples.
  • Microbiological testing for Enterobacteriaceae, coliforms, Escherichia coli, and Salmonella.

Main Results:

  • Salmonella and Escherichia coli were not detected in final products or raw materials.
  • Enterobacteriaceae was found in 15% of final products, 19% of environmental samples, and on the hands of all food handlers in Company C.
  • Coliforms were detected in raw materials (3 samples), environmental samples (11%), and on food handlers' hands in Company C.

Conclusions:

  • The manufacturing environment and food handlers are significant sources of microbial contamination in peanut confectionery production.
  • This study provides crucial data for risk assessment and the implementation of enhanced food safety control measures.
  • Further research is needed to fully understand and mitigate contamination risks in this sector.