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Assessment of contamination potential of lettuce by Salmonella enterica serovar Newport added to the plant growing medium
Year:
2007
Source of publication :
Journal of Food Protection
Authors :
Bernstein, Nirit
;
.
Neder-Lavon, Sarit
;
.
Sela, Shlomo
;
.
Volume :
70
Co-Authors:
Bernstein, N., Institute of Soil, Water and Environmental Sciences, Bet Dagan 50250, Israel
Sela, S., Department of Food-Sciences, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Neder-Lavon, S., Institute of Soil, Water and Environmental Sciences, Bet Dagan 50250, Israel, Department of Food-Sciences, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Facilitators :
From page:
1717
To page:
1722
(
Total pages:
6
)
Abstract:
The capacity of Salmonella enterica serovar Newport to contaminate Romaine lettuce (Lactuca sativa L. cv. Nogal) via the root system was evaluated in 17-, 20-, and 33-day-old plants. Apparent internalization of Salmonella via the root to the above-ground parts was identified in 33- but not 17- or 20-day-old plants and was stimulated by root decapitation. Leaves of lettuce plants with intact and damaged roots harbored Salmonella at 500 ± 120 and 5,130 ± 440 CFU/g of leaf, respectively, at 2 days postinoculation but not 5 days later. These findings are first to suggest that Salmonella Newport can translocate from contaminated roots to the aerial parts of lettuce seedlings and propose that the process is dependent on the developmental stage of the plant. Copyright ©, International Association for Food Protection.
Note:
Related Files :
Food Contamination
food microbiology
Growth, Development and Aging
Lactuca sativa
Microbiology
Salmonella
Show More
Related Content
More details
DOI :
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
20999
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:40
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Scientific Publication
Assessment of contamination potential of lettuce by Salmonella enterica serovar Newport added to the plant growing medium
70
Bernstein, N., Institute of Soil, Water and Environmental Sciences, Bet Dagan 50250, Israel
Sela, S., Department of Food-Sciences, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Neder-Lavon, S., Institute of Soil, Water and Environmental Sciences, Bet Dagan 50250, Israel, Department of Food-Sciences, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Assessment of contamination potential of lettuce by Salmonella enterica serovar Newport added to the plant growing medium
The capacity of Salmonella enterica serovar Newport to contaminate Romaine lettuce (Lactuca sativa L. cv. Nogal) via the root system was evaluated in 17-, 20-, and 33-day-old plants. Apparent internalization of Salmonella via the root to the above-ground parts was identified in 33- but not 17- or 20-day-old plants and was stimulated by root decapitation. Leaves of lettuce plants with intact and damaged roots harbored Salmonella at 500 ± 120 and 5,130 ± 440 CFU/g of leaf, respectively, at 2 days postinoculation but not 5 days later. These findings are first to suggest that Salmonella Newport can translocate from contaminated roots to the aerial parts of lettuce seedlings and propose that the process is dependent on the developmental stage of the plant. Copyright ©, International Association for Food Protection.
Scientific Publication
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