Dissertation: Control of Listeria monocytogenes in the food industry


The thesis research studied the contamination routes of L. monocytogenes bacteria in a food establishment, and the survival of L. monocytogenes strains in the manufacture of non-perishable sausages. Also, a comparison was made between isolated L. monocytogenes strains regarding their acidity and resistance to heat, and the effectiveness of cleaning conveyor belts contaminated by L. monocytogenes bacteria using ultrasonic cleaning was examined.

Riina Tolvanen, who is a Licentiate of Veterinary Medicine and works in the Finnish Food Safety Authority Evira's Section for Hygiene in Processing Establishments Unit, has conducted her doctoral studies in the Department of Food Hygiene and Environmental Health of the Faculty of Veterinary Medicine at the University of Helsinki.

The dissertation will be presented for public examination in the Walter Hall of the EE Building at Agnes Sjöbergin katu 2 in Viikki, Helsinki on Friday, 2 September 2016 at 12.00 noon.

English Abstract of the dissertation Control of Listeria monocytogenes in the food industry.

For more information, please contact:
Riina Tolvanen, Senior Officer, tel. +358
040 755 9073

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