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Svärd, Nicole, 2023. Survival of foodborne bacteria on wooden and plastic cutting boards - A laboratory protocol. Second cycle, A2E. Uppsala: SLU, Dept. of Clinical Sciences (until 231231)



The survival of foodborne bacteria on different cutting board materials has been studied and a
functional laboratory protocol for further studies on the subject has been established. Six different
bacteria, E. coli, S. aureus, L monocytogenes, S. Typhimurium, Y. enterocolitica and C. jejuni were
inoculated on plastic (polypropylene) and wooden (bamboo and beech) cutting boards in concentrations 101
- 107 CFU. The samples were incubated for 24 hours and then either streaked directly
on agar plates or incubated in enrichment medium before being plated. Growth or no growth for
each bacterial species and each concentration was registered. Unexpected difficulties regarding
contaminating background flora in the samples arose and were traced to the filtered chicken meat
juice used when inoculating the bacteria and environmental contamination during the drying of
washed cutting boards before inoculation. The results show that bacteria grow more readily on the
surface of plastic cutting boards. The study also indicates a higher rate of survival on bamboo than
beech. This was true for all tested bacterial species. Unfortunately, the results could not be validated,
since time did not allow for enough replications of the experiments. A functional laboratory protocol
is presented to be used in future studies on the subject.

Main title:Survival of foodborne bacteria on wooden and plastic cutting boards - A laboratory protocol
Authors:Svärd, Nicole
Supervisor:Artursson, Karin and Astvaldsson, Asgeir
Examiner:Boqvist, Sofia
Volume/Sequential designation:UNSPECIFIED
Year of Publication:2023
Level and depth descriptor:Second cycle, A2E
Student's programme affiliation:VY009 Veterinary Medicine programme, 330.0hp
Supervising department:(VH) > Dept. of Clinical Sciences (until 231231)
Keywords:foodborne bacteria, cutting board, bacterial survival, wood, plastic, laboratory protocol
Permanent URL:
Subject. Use of subject categories until 2023-04-30.:Veterinary science and hygiene - General aspects
Deposited On:22 Mar 2023 11:18
Metadata Last Modified:20 Mar 2024 02:15

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