Use of high hydrostatic pressure to inactivate Escherichia coli O157:H7 and Salmonella enterica internalized within and adhered to preharvest contaminated green onions |
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| Authors: | Neetoo Hudaa Lu Yingjian Wu Changqing Chen Haiqiang |
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| Institution: | Department of Animal and Food Sciences, University of Delaware, Newark, Delaware, USA. |
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| Abstract: | Green onions grown in soil and hydroponic medium contaminated with Escherichia coli O157:H7 and Salmonella were found to take up the pathogens in their roots, bulbs, stems, and leaves. Pressure treatment at 400 to 500 MPa for 2 min at 20 to 40°C eliminated both pathogens that were internalized within green onions during plant growth. |
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