Effect of microbial sanitizers for reducing biofilm formation of Staphylococcus aureus and Pseudomonas aeruginosa on stainless steel by cultivation with UHT milk

Food Science and Biotechnology
Nutthawut Meesilp, Nutthisha Mesil

Abstract

Biofilm is a serious issue in the dairy factory due to it increases the opportunity for microbial contamination. Staphylococcus aureus and Pseudomonas aeruginosa are the bacteria capable to construct the biofilm on materials and equipments. Therefore, the bacterial growth and efficiency of sanitizing agents to solve the problems were evaluated. These bacteria grew well in UHT milk when they were cultivated at 37 °C, especially S. aureus. The exponential growth phase and biofilm on stainless steel were discovered by short contact time at 2 h. The mature stage of biofilm cycle was found at 4 h during bacteria growth and it was continuously constructed until 48 h. The 10, 24, and 48 h-old biofilm adhering on stainless steel were established with oxisan and chlorine used as microbial sanitizers. The 4% of sanitizing agents was the efficiency concentration to reduce biofilm on stainless steel up to 82% when these bacteria grew in UHT milk.

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Citations

Jun 9, 2020·Frontiers in Microbiology·Musa Hassan MuhammadTianpei Huang
Nov 20, 2020·Critical Reviews in Food Science and Nutrition·Gilberto V de Melo PereiraCarlos R Soccol
Sep 23, 2020·Journal of Microbiology and Biotechnology·Yeon Jin KimHyun-Dong Paik
Mar 6, 2021·Foodborne Pathogens and Disease·Siyuan LiuGuoping Zhou
Mar 27, 2021·Folia Microbiologica·Stanley DulaOluwatosin Ademola Ijabadeniyi
Sep 8, 2021·Critical Reviews in Food Science and Nutrition·Na GuoTiehua Zhang
Dec 22, 2021·Journal of Applied Microbiology·Fedrick C MgomiZhen-Quan Yang

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