Analysis of the efficiency of the milk-pasteurization system after packaging in the Northern region of Paraná State.

Authors

  • Vanerli Beloti Universidade Estadual de Londrina
  • Elizabete Regina Marangoni Marana Universidade Estadual de Londrina
  • Claudia Yurika Tamehiro Universidade Estadual de Londrina
  • Roberta Lemos Freire Universidade Estadual de Londrina
  • Márcia de Aguiar Ferreira Barros Universidade Estadual de Londrina

DOI:

https://doi.org/10.5433/1679-0359.1995v16n1p141

Keywords:

Milk, Pasteurization.

Abstract

This paper aimed at evaluating the efficiency of the milk pasteurization system after packaging, which was carried out in a farm in the Northern region of Paraná State. Six samples werw collected once a week (three samples before pasteurization and three after it). This was done during ten weeks with the total of sixty samples. The physical-chemical analysis and microbiological tests were performed according to the Laboratório Nacional de Referência Animal (LANARA). The results of the analysis showed a decrease in the number of microorganisms and the efficiency of the system was 99,96%. However, the heat system showed to be unstable, not allowing heat homogeneity. The samples of the same had an alteration in the fat percentage and consequently in their density and total dry matter (EST).

 

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Author Biographies

Vanerli Beloti, Universidade Estadual de Londrina

Docente do Depto. de Medicina Veterinária Preventiva/CCA/Universidade Estadual de Londrina, Caixa Postal 6001, Fone (043)321-2000 - Ramal 44SS, Londrina, PR, CEP 86051-970.

Elizabete Regina Marangoni Marana, Universidade Estadual de Londrina

Docente do Depto. de Medicina Veterinária Preventiva/CCA/Universidade Estadual de Londrina, Caixa Postal 6001, Fone (043)321-2000 - Ramal 44SS, Londrina, PR, CEP 86051-970.

Claudia Yurika Tamehiro, Universidade Estadual de Londrina

Graduanda do Curso de Medicina Veterinária/CCA/Universidade Estadual de Londrina.

Roberta Lemos Freire, Universidade Estadual de Londrina

Pós-graduanda do Curso de Mestrado em Sanidade Animal/CCA /Universidade Estadual de Londrina.

Márcia de Aguiar Ferreira Barros, Universidade Estadual de Londrina

 

Pós-graduanda do Curso de Mestrado em Sanidade Animal/CCA /Universidade Estadual de Londrina.

Published

1995-01-25

How to Cite

Beloti, V., Marana, E. R. M., Tamehiro, C. Y., Freire, R. L., & Barros, M. de A. F. (1995). Analysis of the efficiency of the milk-pasteurization system after packaging in the Northern region of Paraná State. Semina: Ciências Agrárias, 16(1), 141–144. https://doi.org/10.5433/1679-0359.1995v16n1p141

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