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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/1044

Title: Microbiological studies on some salad vegetables in local markets
Authors: AI-Mohizea, Ibrahim S.
Keywords: Coliform
Salad vegetables
Issue Date: 1996
Publisher: King Saud University
Citation: Journal of King Saud University Agricultural Sciences: 8(1); 99-106
Abstract: One hundred and forty-eight samples of five salad vegetables, namely: parsley, lettuce, green onion, carrots and cucumber, were collected from local markets and analyzed for total and faecal coli-forms. In addition, three hundred and forty samples of the same kinds of vegetables were tested for preva-lence of salmonellae and Listeria monocytogenes. Total coliform counts ranged from 1.4x 104CFU/g for cucumber to as high as 3.9x1<t CFU/g for parsley. The mean faecal coliform counts ranged from 5.3 x 1i:J2 CFU/g to as high as 5Ax 10"CFU/g for cucumber and parsley respectively. Salmonellae were detected in 6, 5, 4.8 and 4.5% of lettuce, cucumber, green onion and parsley samples, respectively. Presumptive Listeria monocytogenes was detected in parsley (44%), lettuce (12%) and green onion (8%). It was con-cluded that consuming these salad vegetables raw, and particularly the green leafy vegetables, without proper cleaning and sanitizing, presents a potential public health threat.
URI: http://hdl.handle.net/123456789/1044
Appears in Collections:Journal of the King Saud University - Agricultural Sciences

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