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1.
Rev Argent Microbiol ; 34(4): 219-21, 2002.
Article in Spanish | MEDLINE | ID: mdl-12600006

ABSTRACT

A total of 60 samples of dry sausages were analyzed (50 of "salami" and 10 of "chorizo" "candelario" type) obtained at random in markets authorized for their commercialization, for the purpose of evidencing the presence of bacteria of the genus Listeria (Listeria monocytogenes and Listeria spp.). The results obtained in salami were the following: 10 (20%) isolates of Listeria spp., were characterized: 1 (2%) strain as L. monocytogenes type 1, 7 (14%) strains as L. innocua, 2 (4%) strains as L. welshimeri. In chorizo candelario type 6 (60%) isolates of Listeria spp., were characterized: 2 (33%) strains as L. monocytogenes type 1 and 4 (66%) strains as L. innocua. The total percentages of isolations were: 26.6% of Listeria spp., 5% of L. monocytogenes type 1, 18.3% of L. innocua and 3.3% of L. welshimeri. In conclusion, we consider that methodologies of control must be developed and implemented in order to guarantee the inocuity of these products.


Subject(s)
Food Contamination , Food Microbiology , Listeria/isolation & purification , Meat Products/microbiology , Animals , Argentina , Listeria monocytogenes/isolation & purification , Species Specificity , Urban Health
2.
Rev. argent. microbiol ; 34(4): 219-21, 2002 Oct-Dec.
Article in Spanish | LILACS-Express | LILACS, BINACIS | ID: biblio-1171709

ABSTRACT

A total of 60 samples of dry sausages were analyzed (50 of [quot ]salami[quot ] and 10 of [quot ]chorizo[quot ] [quot ]candelario[quot ] type) obtained at random in markets authorized for their commercialization, for the purpose of evidencing the presence of bacteria of the genus Listeria (Listeria monocytogenes and Listeria spp.). The results obtained in salami were the following: 10 (20


) isolates of Listeria spp., were characterized: 1 (2


) isolates of Listeria spp., were characterized: 2 (33


) strains as L. monocytogenes type 1 and 4 (66


) strains as L. innocua. The total percentages of isolations were: 26.6


of L. innocua and 3.3


of L. welshimeri. In conclusion, we consider that methodologies of control must be developed and implemented in order to guarantee the inocuity of these products.

3.
Rev. argent. microbiol ; 34(4): 219-21, 2002 Oct-Dec.
Article in Spanish | BINACIS | ID: bin-39055

ABSTRACT

A total of 60 samples of dry sausages were analyzed (50 of [quot ]salami[quot ] and 10 of [quot ]chorizo[quot ] [quot ]candelario[quot ] type) obtained at random in markets authorized for their commercialization, for the purpose of evidencing the presence of bacteria of the genus Listeria (Listeria monocytogenes and Listeria spp.). The results obtained in salami were the following: 10 (20


) isolates of Listeria spp., were characterized: 1 (2


) strain as L. monocytogenes type 1, 7 (14


) strains as L. innocua, 2 (4


) strains as L. welshimeri. In chorizo candelario type 6 (60


) isolates of Listeria spp., were characterized: 2 (33


) strains as L. monocytogenes type 1 and 4 (66


) strains as L. innocua. The total percentages of isolations were: 26.6


of Listeria spp., 5


of L. monocytogenes type 1, 18.3


of L. innocua and 3.3


of L. welshimeri. In conclusion, we consider that methodologies of control must be developed and implemented in order to guarantee the inocuity of these products.

4.
Rev Argent Microbiol ; 32(1): 49-52, 2000.
Article in Spanish | MEDLINE | ID: mdl-10785944

ABSTRACT

Listeria monocytogenes has been recognized as a bacteria that produces severe illness in animals and humans. Considering the importance of the presence of L. monocytogenes in soft paste cheeses, a study of diverse cheeses from supermarkets of direct sale to the public was carried out. From the 35 analyzed cheeses, 4 strains were isolated (11.4%). The result of the serological study showed that all the strains corresponded to the serotype 4. The proteic profiles of the isolated strains showed similarity with the used pattern (4b). Several authors reported the importance of L. monocytogenes as contaminant in foods ready to eat like the soft paste cheeses. Thus, it must be remarked the importance of the good handling practices in the production, transport, refrigeration and exhibition of this product.


Subject(s)
Cheese/microbiology , Food Microbiology , Listeria monocytogenes/isolation & purification , Listeria monocytogenes/classification , Serotyping
5.
Rev. argent. microbiol ; 32(1): 49-52, ene.-mar. 2000.
Article in Spanish | LILACS | ID: lil-332537

ABSTRACT

Listeria monocytogenes has been recognized as a bacteria that produces severe illness in animals and humans. Considering the importance of the presence of L. monocytogenes in soft paste cheeses, a study of diverse cheeses from supermarkets of direct sale to the public was carried out. From the 35 analyzed cheeses, 4 strains were isolated (11.4). The result of the serological study showed that all the strains corresponded to the serotype 4. The proteic profiles of the isolated strains showed similarity with the used pattern (4b). Several authors reported the importance of L. monocytogenes as contaminant in foods ready to eat like the soft paste cheeses. Thus, it must be remarked the importance of the good handling practices in the production, transport, refrigeration and exhibition of this product.


Subject(s)
Cheese , Food Microbiology , Listeria monocytogenes , Serotyping
6.
Rev. argent. microbiol ; 32(1): 49-52, ene.-mar. 2000.
Article in Spanish | BINACIS | ID: bin-6716

ABSTRACT

Listeria monocytogenes has been recognized as a bacteria that produces severe illness in animals and humans. Considering the importance of the presence of L. monocytogenes in soft paste cheeses, a study of diverse cheeses from supermarkets of direct sale to the public was carried out. From the 35 analyzed cheeses, 4 strains were isolated (11.4). The result of the serological study showed that all the strains corresponded to the serotype 4. The proteic profiles of the isolated strains showed similarity with the used pattern (4b). Several authors reported the importance of L. monocytogenes as contaminant in foods ready to eat like the soft paste cheeses. Thus, it must be remarked the importance of the good handling practices in the production, transport, refrigeration and exhibition of this product.(AU)


Subject(s)
Cheese/microbiology , Food Microbiology , Listeria monocytogenes/isolation & purification , Listeria monocytogenes/classification , Serotyping
7.
Rev. argent. microbiol ; 32(1): 49-52, 2000 Jan-Mar.
Article in Spanish | BINACIS | ID: bin-39902

ABSTRACT

Listeria monocytogenes has been recognized as a bacteria that produces severe illness in animals and humans. Considering the importance of the presence of L. monocytogenes in soft paste cheeses, a study of diverse cheeses from supermarkets of direct sale to the public was carried out. From the 35 analyzed cheeses, 4 strains were isolated (11.4


). The result of the serological study showed that all the strains corresponded to the serotype 4. The proteic profiles of the isolated strains showed similarity with the used pattern (4b). Several authors reported the importance of L. monocytogenes as contaminant in foods ready to eat like the soft paste cheeses. Thus, it must be remarked the importance of the good handling practices in the production, transport, refrigeration and exhibition of this product.

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