Listeria spp. found on fresh market produce
From October 1987 to August 1988, 1,000 tests were conducted on 10 types of fresh produce from two Mineapolis area supermarkets to detect Listeria spp. The produce included broccoli, cabbage, carrots, cauliflower, cucumbers, lettuce, mushrooms, potatoes, radishes, and tomatoes. The vegetables were t...
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Published in | Applied and Environmental Microbiology Vol. 55; no. 8; pp. 1925 - 1927 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
Washington, DC
American Society for Microbiology
01.08.1989
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Subjects | |
Online Access | Get full text |
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Summary: | From October 1987 to August 1988, 1,000 tests were conducted on 10 types of fresh produce from two Mineapolis area supermarkets to detect Listeria spp. The produce included broccoli, cabbage, carrots, cauliflower, cucumbers, lettuce, mushrooms, potatoes, radishes, and tomatoes. The vegetables were tested by the Food and Drug Administraiton method for isolation of Listeria spp., with the addition of LiCl-phenylethanol-moxalactam agar in the last 280 tests; 8.6 and 11.4% of these tests were positive by modified McBride and LiCl-phenylethanol-moxalactam agars, respectively. Listeria monocytogenes was isolated from cabbage, cucumbers, potatoes, and radishes; L. innocua was isolated from cucumbers, lettuce, mushrooms, potatoes and radishes; L. seeligeri was isolated from cabbage and radishes; and L. welshimeri was isolated from cucumbers, potatoes, and radishes. The isolates were of various serotypes; however, the L. monocytogenes isolates were predominantly serotype 1 (82%). Only potatoes (25.8% positive) and radishes (30.3% positive) showed significant amounts of L. monocytogenes contamination |
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Bibliography: | Q03 9020401 ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 |
ISSN: | 0099-2240 1098-5336 |
DOI: | 10.1128/aem.55.8.1925-1927.1989 |