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Issue 7 (4) 2008 pp. 53-60

Dorota Cais-Sokolińska, Jan Pikul

Poznań University of Life Sciences

Using the bioluminescence and microbiological contact methods in sustaining a proper hygienic level in food processing plants

Abstract: The efficiency of bioluminescence applied to monitor the state of hygiene in a dairy processing plant was assessed in relation to the results of conventional microbiological methods. The used blotting tests were Envirocheck Contact DC with Agar CASO medium with added neutralizers. The analysed object was the surface of a beam stirrer in a fermentation tank. Swabs were collected following tank washing and disinfection after the completion of 15 production cycles. A high degree of correlation r = 0.91 was obtained at the reliability of comparison β = 0.906. The analysis of probability of distribution confirmed the feasibility of bioluminescence. Boundary values (112 and 171 RLU) were determined for bioluminescence for three object cleanliness ranges, based on microbial counts (cfu/cm2). Over 13% surfaces were classified as conditionally clean (Alert).
pub/.pdf Full text available in english in Adobe Acrobat format:
http://www.food.actapol.net/issue4/volume/6_4_2008.pdf
Keywords: bioluminescence, ATP, hygiene
For citation:

MLA Cais-Sokolińska, Dorota, and Jan Pikul. "Using the bioluminescence and microbiological contact methods in sustaining a proper hygienic level in food processing plants." Acta Sci.Pol. Technol. Aliment. 7.4 (2008): 53-60.
APA Cais-Sokolińska D., Pikul J. (2008). Using the bioluminescence and microbiological contact methods in sustaining a proper hygienic level in food processing plants. Acta Sci.Pol. Technol. Aliment. 7 (4), 53-60
ISO 690 CAIS-SOKOLIńSKA, Dorota, PIKUL, Jan. Using the bioluminescence and microbiological contact methods in sustaining a proper hygienic level in food processing plants. Acta Sci.Pol. Technol. Aliment., 2008, 7.4: 53-60.
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Streszczenie w języku polskim:
http://www.food.actapol.net/tom7/zeszyt4/abstrakt-6.html