Persistence of Escherichia coli on injured vegetable plants

Harapas, D.; Premier, Robert; Tomkins, B.; Franz, Peter; Ajlouni, Said

doi:10.1016/j.ijfoodmicro.2010.01.022

Cited by 33 publications

(31 citation statements)

References 24 publications

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“…Infiltration of pathogens into cracks, wounds, crevices, stomatal cavities and intercellular spaces of fruits and vegetables has been demonstrated by several researchers (Harapas et al 2010;Taban and Halkman, 2011;Saldaña et al 2011). Therefore even though thorough washing can be effective more vigorous processing is needed to reduce the pathogen number and make vegetable safe for consumption.…”

Section: Discussionmentioning

confidence: 99%

Preshly Eaten Leafy Vegetables: A Source of Food Borne Pathogens?

Silva¹,

Abayasekara

Dissanayake

2014

Ceylon J. Sci. (Biol. Sci.)

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The microbiological quality of selected fresh vegetables; lettuce, cabbage, mukunuwenna, gotukola, and tomato were assessed from different market types in the Kandy district. Fifty samples of each vegetable were tested for viable bacterial count (VBC), Salmonella spp., Listeria monocytogenes and Escherichia coli O157:H7, before and after washing using tap water. The average VBC in unwashed vegetables was 10 6 cfu/g whereas a 10 fold reduction of VBC was achieved as a result of washing three times. S. enterica serotype Enteritidis and S. enterica serotype Typhymurium were isolated in 6% of the samples. In addition L. monocytogenes was isolated in 2% of the samples investigated. These results reiterate the necessity for awareness among consumers regarding the microbiological quality of fresh vegetables.

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Section: Discussionmentioning

confidence: 99%

Preshly Eaten Leafy Vegetables: A Source of Food Borne Pathogens?

Silva¹,

Abayasekara

Dissanayake

2014

Ceylon J. Sci. (Biol. Sci.)

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“…Potential pre-harvest sources of contamination include soil, feces (8), water for fungicides and insecticides, dust, insects, contaminated manure (9), irrigation water (10), wild and domestic animals, and human handling (9,11). In a recent review, Jacobsen and Bech (12) demonstrated that manure or irrigation water may contaminate and internalize Salmonella spp.…”

Section: Microbial Ecology Of Producementioning

confidence: 99%

A review of microbial biofilms of produce: Future challenge to food safety

Jahid

2012

Food Sci Biotechnol

134

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Outbreaks of produce-related food-borne pathogens have undergone a sharp increase in last three decades because of high produce consumption. A paradigm of food safety for produce is important due to its susceptibility to microbial attack and biofilms formation. Greater attention should be paid to decontaminating the pathogens in biofilms as they pose a risk to public health. This review will focus on produce-related outbreaks, attachments, quorum sensing, biofilms formation, resistance to sanitizers and disinfectants, and current and emerging control strategies for fresh and minimally processed produce, providing new insight into food safety. The consequences of biofilms formation on produce include the formation of a protective environment that is resistant to cleaning and disinfection. Alternative means of controlling or inhibiting biofilms formation on produce will be explained briefly and we will identify where additional research is needed.

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“…E. coli can be easily disseminated in different ecosystems through the food chain (Ryu et al, 2012). Raw vegetables can harbour many different pathogens including Escherichia coli and may become contaminated through animals, people, animal manures, and contaminated irrigation water (Harapas et al 2010).…”

Section: Introductionmentioning

confidence: 99%

Characterization of Escherichia coli strains isolated from raw vegetables

Pleva

Janalíková

Pavlíčková

et al. 2018

Potr. S. J. F. Sci.

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Vegetables are an important part of the human diet. Sometimes, contamination by pathogenic Escherichia coli can be underestimated; moreover there is a risk of antibiotic resistance spreading via the food chain. The purpose of this study was to examine the prevalence of Escherichia coli in fresh vegetables sold in retail market in the Czech Republic and to evaluate the risk to human health. Antibiotic resistance against 12 antibiotics, the presence of 12 virulence and 15 resistance genes were determined among 15 isolated strains. Most of tested strains belonged to B1 phylogenetic group, less frequently represented was B2 and D phylogroup. These results indicate that most strains are probably of human origin. All E. coli strains were resistant to at least one of twelve tested antibiotics. A multidrug resistance was observed in four strains. In this study, the presence of virulence factors Einv and papC and also genes encoding toxins (CNF1, CNF2) was detected. Nevertheless, none strain can be considered as STEC or EHEC. The widespread appearance of a growing trend associated with the prevalence of antibiotic resistance among enterobacterial isolates is undeniable and the possibility of transfer to humans cannot be ignored. Nevertheless, these results indicate that raw vegetables sold in the retail market can constitute a potential health risk for consumers.

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Persistence of Escherichia coli on injured vegetable plants

Cited by 33 publications

References 24 publications

Preshly Eaten Leafy Vegetables: A Source of Food Borne Pathogens?

Preshly Eaten Leafy Vegetables: A Source of Food Borne Pathogens?

A review of microbial biofilms of produce: Future challenge to food safety

Characterization of Escherichia coli strains isolated from raw vegetables

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