Low-pressure treatment to control food-infesting pests (Tribolium castaneum, Sitophilus granarius) using a vacuum packing machine

Zuzana Kučerová, Karel Kýhos, Radek Aulický and Václav Stejskal
Additional contact information
Zuzana Kučerová: Department of Pest Control of Stored Products and Food Safety, Division of Plant Health, Crop Research Institute, Prague, Czech Republic
Karel Kýhos: Food Research Institute Prague, Prague, Czech Republic
Radek Aulický: Department of Pest Control of Stored Products and Food Safety, Division of Plant Health, Crop Research Institute, Prague, Czech Republic
Václav Stejskal: Department of Pest Control of Stored Products and Food Safety, Division of Plant Health, Crop Research Institute, Prague, Czech Republic

Czech Journal of Food Sciences, 2013, vol. 31, issue 1, 94-98

Abstract: Since recently, the food industry has been faced with serious problems regarding pest-infested food commodities and deregistration of many chemical biocides by the EU Biocide Directive. These conditions have created an urgent need for a physical method of protecting food against pests. Therefore, a vacuum packing machine was used for laboratory testing of the effectiveness of vacuum packaging on the mortality of the red flour beetle (Tribolium castaneum) and granary weevil (Sitophilus granarius) at different temperatures and exposure times. There were significant differences in the susceptibility to low pressure (vacuum) between the adult insects of both tested species: T. castaneum was approximately 10 times more susceptible to low pressure than S. granarius. A higher temperature significantly shortens the vacuum exposure time necessary to reach 100% mortality in the tested beetles under a constant low-pressure value (1 kPa). The lethal times (LT99) foradult T. castaneum were 15.1 h at 25°C and 30.8 h at 15°C. The lethal times (LT99) for adult S. granarius were 160.1 hours at 25°C and 274 h at 15°C.

Keywords: food protection; food safety; red flour beetle; granary weevil; non chemical control; temperature influence; vacuum packing food (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjf:v:31:y:2013:i:1:id:154-2012-cjfs

DOI: 10.17221/154/2012-CJFS

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Czech Journal of Food Sciences is currently edited by Ing. Zdeňka Náglová Ph.D.

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