Incidence of <i>Listeria</i> spp. in Raw Milk in Shahrekord, Iran

Moshtaghi, Hamdollah; Mohamadpour, Ahmad Ali

doi:10.1089/fpd.2006.61

Cited by 26 publications

(12 citation statements)

References 19 publications

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“…In other research in the Islamic Republic of Iran, the rate of contamination of 500 raw milk samples with Listeria spp. was 2.2% [8], which is similar to our results. However, L. monocytogenes was found in 1.6% of raw milk samples and this strain was not found in our study.…”

Section: Discussionsupporting

confidence: 92%

Prevalence of food contamination with Listeria spp. in Kermanshah, Islamic Republic of Iran

Akya¹,

Najafi²,

Moradi³

et al. 2013

East Mediterr Health J

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Listeria monocytogenes is a human pathogen causing serious diseases. We aimed to determine food contamination with Listeria spp. in Kermanshah, Islamic Republic of Iran. Samples (185 dairy, 187 meat products and 158 ready-to-eat foods such as salads) were randomly collected from markets. After processing, samples were cultured in half-Fraser and Fraser broth followed by cultivation on PALCAM and Oxford media. Confirmatory tests including carbohydrate utilization were performed on isolates to determine species. Bacteria were isolated from 66/530 samples (12.5%). Meat products showed the highest (27.2%) and dairy products the lowest (3.8%) contamination rates. L. innocua was found in 56 (10.6%) samples, but L. monocytogenes was only found in 3 samples (0.6%). The results indicate that the rate of contamination with L. monocytogenes, even for ready-to-eat foods, was low but for other Listeria spp., in particular strains of L. innocua, the rate of contamination was higher, suggesting that more control on food sanitation is required. RÉSUMÉ Listeria monocytogenes est un agent pathogène humain à l'origine de maladies graves. Nous avons cherché à établir la prévalence de la contamination alimentaire par Listeria spp. à Kermanshah (République islamique d'Iran). Des échantillons (185 produits laitiers, 187 produits carnés et 158 plats prêts à consommer, comme des salades) ont été collectés au hasard sur les marchés. Après traitement, les échantillons ont été mis en culture dans un bouillon de Fraser-demi et de base Fraser puis repiqués sur gélose PALCAM et en milieu Oxford. Des tests de confirmation, y compris l'utilisation des glucides, ont été réalisés sur des isolats afin de déterminer l'espèce. Des bactéries ont été isolées dans 66 échantillons sur 530 (12,5 %). Les produits carnés étaient les plus fréquemment contaminés (27,2 %) tandis que les produits laitiers étaient les moins fréquemment contaminés (3,8 %). L. innocua a été identifiée dans 56 échantillons (10,6 %), alors que L. monocytogenes n'a été retrouvée que dans trois échantillons (0,6 %). Ces résultats indiquent que le taux de contamination par L. monocytogenes, même dans les plats prêts à consommer, était faible, mais que pour les autres Listeria spp., en particulier les souches de L. innocua, le taux de contamination était plus élevé, suggérant qu'un contrôle plus strict de l'hygiène alimentaire est requis.‫املتوسط‬ ‫لرشق‬ ‫الصحية‬ ‫املجلة‬ ‫عرش‬ ‫التاسع‬ ‫املجلد‬ ‫اخلامس‬ ‫العدد‬ 475

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Section: Discussionsupporting

confidence: 92%

Prevalence of food contamination with Listeria spp. in Kermanshah, Islamic Republic of Iran

Akya¹,

Najafi²,

Moradi³

et al. 2013

East Mediterr Health J

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“…Our results revealed higher number of L. monocytogenes (42%) detected from raw milk samples in comparison to other countries like 0% in center of Iran (Jalali and Abedi, 2008) 0.018% in United States (Frye and Donnelly, 2005) 1.1% in England and Wales (Greenwood et al, 1991) and 1.6% in west of Iran (Moshtaghi and Mohamadpour, 2007). In contrast Pintado et al, (2005) reported higher rate of incidence (up to 46%) in Portugal.…”

Section: Discussionmentioning

confidence: 38%

“…This policy designates L. monocytogenes as a contaminant. Previous studies have shown that L. monocytogenes has a very low occurrence in dairy products (Jalali andAbedi, 2007, Moshtaghi andMohamadpour, 2007). Anyhow in our study as we used molecular detection method with high sensitivity (1 cfu detected) very low level of L. monocytogenes contaminants were able to be detected in the variety of dairy products.…”

Section: Discussionmentioning

confidence: 53%

First Report of Listeria monocytogenes Serotypes Detected from Milk and Milk Products in Sri Lanka

Wijendra¹,

Kulathunga²,

Ramesh³

et al. 2014

Adv. Anim. Vet. Sci.

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Listeria monocytogenes is the causative organism of listeriosis, which primarily affects immunecompromised individuals, including pregnant women. Contamination of milk and milk products with L. monocytogenes is a serious problem to the world and to the developing countries like Sri Lanka. Even the presence of low numbers of L. monocytogenes is a potential risk since this organism is capable of multiplying at ambient and under refrigerated conditions. The main aim of the study is to detect the circulating serotypes in dairy industries using molecular methods and primarily to trace the lineage of these serotypes with a focus on food safety and disease prevention. Altogether total of 266 samples from raw milk, pasteurized milk, ice cream, curd, yogurt and cheese were collected from many parts of the country, tested for the presence of L. monocytogenes and studied the serotype. L. monocytogenes was detected in all types of the above-mentioned milk and milk products. Out of total L. monocytogenes strains detected by PCR, 61.51%, 11.53% and 4% belong to serotypes 1/2a (or 3a) [lineage II], 1/2b (or 3b) [lineage I] and, 1/2c (or 3c) [lineage II] respectively. It has been observed previously that serotypes (1/2a), 1/2b) isolated from raw milk samples been linked to multiple human listeriosis outbreaks. This study revealed the serotypes of L. monocytogenes circulating in Sri Lanka, thus makes an alarm to the health authorities to be more vigilant about the probable outbreaks of listeriosis in Sri Lanka. This is the first report on circulating L. monocytogenes serotypes in Sri Lanka.All copyrights reserved to Nexus® academic publishers

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“…En France, le taux d'incidence était estimé à cinq cas par million d'habitants en 2009 (Institut de veille sanitaire, 2009). Dans les autres pays, la prévalence de la listériose varie entre 6,5% aux Etats Unis (Van Kessel, 2004), 12 % au Canada, 13 % au Brésil (Jemmi & Stephan, 2006) et 2,2% en Iran (Moshtaghi & Mohamadpour, 2007).…”

Section: Résultats Et Discussionunclassified

Activités biologiques des extraits aqueux de Pergularia tomentosa L. (Asclepiadaceae)

Kassaa¹,

Omari²,

Saati³

et al. 2016

LSJ

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Al Kassaa Imad, Khaled el Omari, Marwa Saati, Bachar Ismail et Monzer Hamze. 2016. Prévalence de Listeria monocytogenes dans le lait cru de vache au Liban Nord. Lebanese Science Journal, 17(1): 37-43. La listériose, bien qu'elle soit une zoonose, est une pathologie invasive qui peut affecter les nouveau-nés, les femmes enceintes ainsi les adultes immunodéprimés. Les manifestations cliniques se traduisent par des gastroentérites fébriles, des formes sévères invasives incluant les septicémies, méningites, rhombencéphalites, infections prénatales et avortements. Les espèces de Listeria sont des bactéries ubiquitaires, capables de s'adapter à l'environnement, chez l'animal et les aliments végétaux. Dans ce travail, notre objectif a été d'évaluer la présence de Listeria monocytogenes dans du lait cru collecté au Liban Nord. Au total, cent échantillons de lait de vache ont été analysés par la technique Grand VIDAS (Biomérieux France). Les résultats obtenus ont révélé l'absence de Listeria monocytogenes dans tous les échantillons analysés. ABSTRACT Al Kassaa Imad, Khaled el Omari, Marwa Saati, Bachar Ismail and Monzer Hamze. 2016. Prevalence of Listeria monocytogenes in raw cow milk in north Lebanon. Lebanese Science Journal, 17(1): 37-43. Listeriosis, although a zoonosis, is an invasive disease that can affect newborns, pregnant women and immunocompromised adults. Clinical manifestations can be expressed by febrile gastroenteritis, invasive forms including severe sepsis, meningitis, rhombencephalitis, prenatal infections and abortions. Species of Listeria bacteria are ubiquitous and adaptable to the environment in animal and plant foods. This study aimed to determine the prevalence of Listeria monocytogenes in 100 samples of fresh cow milk

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Incidence of Listeria spp. in Raw Milk in Shahrekord, Iran

Cited by 26 publications

References 19 publications

Prevalence of food contamination with Listeria spp. in Kermanshah, Islamic Republic of Iran

Prevalence of food contamination with Listeria spp. in Kermanshah, Islamic Republic of Iran

First Report of Listeria monocytogenes Serotypes Detected from Milk and Milk Products in Sri Lanka

Activités biologiques des extraits aqueux de Pergularia tomentosa L. (Asclepiadaceae)

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