Salmonella importance and current status of detection and surveillance methods

Hanna-Leena Alakomi (Corresponding Author), Maria Saarela

Research output: Contribution to journalArticleScientificpeer-review

16 Citations (Scopus)

Abstract

Salmonella, a genus within Enterobacteriaceae, remains as an important human pathogen and it has been reported to be the most common food‐borne bacterial disease in the world. Although majority of the Salmonella cases are sporadic, outbreaks occur frequently. Salmonella can be associated with many kinds of foods and the presence of Salmonella in ready‐to‐eat foods is considered significant regardless of the level of the contamination. Therefore isolation is carried out by enrichment culture of a defined weight or volume of the food (normally 25 g). The traditional and time‐consuming detection and isolation of Salmonella spp. from food and feed utilizes a multistep protocol with nonselective pre‐enrichment, followed by a selective enrichment step, isolation on selective agar media and a preliminary biochemical and serological confirmation. Several rapid methods have been developed to speed up the detection of Salmonella. This paper aims to give an overview of the occurrence and current status of Salmonella detection and surveillance methods.
Original languageEnglish
Pages (from-to)142-152
Number of pages11
JournalQuality Assurance and Safety of Crops and Foods
Volume1
Issue number3
DOIs
Publication statusPublished - 2009
MoE publication typeA1 Journal article-refereed

Fingerprint

Salmonella
monitoring
Food
methodology
enrichment culture
Foodborne Diseases
Enterobacteriaceae
rapid methods
Agar
Disease Outbreaks
agar
Weights and Measures
pathogens

Keywords

  • microbiology
  • pathogens
  • food safety
  • contaminants
  • rapid methods

Cite this

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title = "Salmonella importance and current status of detection and surveillance methods",
abstract = "Salmonella, a genus within Enterobacteriaceae, remains as an important human pathogen and it has been reported to be the most common food‐borne bacterial disease in the world. Although majority of the Salmonella cases are sporadic, outbreaks occur frequently. Salmonella can be associated with many kinds of foods and the presence of Salmonella in ready‐to‐eat foods is considered significant regardless of the level of the contamination. Therefore isolation is carried out by enrichment culture of a defined weight or volume of the food (normally 25 g). The traditional and time‐consuming detection and isolation of Salmonella spp. from food and feed utilizes a multistep protocol with nonselective pre‐enrichment, followed by a selective enrichment step, isolation on selective agar media and a preliminary biochemical and serological confirmation. Several rapid methods have been developed to speed up the detection of Salmonella. This paper aims to give an overview of the occurrence and current status of Salmonella detection and surveillance methods.",
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Salmonella importance and current status of detection and surveillance methods. / Alakomi, Hanna-Leena (Corresponding Author); Saarela, Maria.

In: Quality Assurance and Safety of Crops and Foods, Vol. 1, No. 3, 2009, p. 142-152.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Saarela, Maria

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AB - Salmonella, a genus within Enterobacteriaceae, remains as an important human pathogen and it has been reported to be the most common food‐borne bacterial disease in the world. Although majority of the Salmonella cases are sporadic, outbreaks occur frequently. Salmonella can be associated with many kinds of foods and the presence of Salmonella in ready‐to‐eat foods is considered significant regardless of the level of the contamination. Therefore isolation is carried out by enrichment culture of a defined weight or volume of the food (normally 25 g). The traditional and time‐consuming detection and isolation of Salmonella spp. from food and feed utilizes a multistep protocol with nonselective pre‐enrichment, followed by a selective enrichment step, isolation on selective agar media and a preliminary biochemical and serological confirmation. Several rapid methods have been developed to speed up the detection of Salmonella. This paper aims to give an overview of the occurrence and current status of Salmonella detection and surveillance methods.

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KW - food safety

KW - contaminants

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DO - 10.1111/j.1757-837X.2009.00032.x

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