title: Technological and safety properties of lactic acid bacteria isolated from Spanish dry-cured sausages.
abstract: Technological and safety-related properties were analyzed in lactic acid bacteria isolated from Spanish dry-cured sausages in order to select them as starter cultures. In relation to technological properties, all the strains showed significative nitrate reductase activity; Lactobacillus plantarum, Lactobacillus paracasei and 52% of the Enterococcus faecium strains showed lipolytic activity and only Lactobacillus sakei strains (43%) were able to form biofilms. Related to safety aspects, E. faecium strains were the most resistant to antibiotics, whereas, L. sakei strains were the most sensitive. In relation to virulence factors, in the E. faecium strains analyzed, only the presence of efaA gene was detected. The analysis of biogenic amine production showed that most E. faecium strains and L. sakei Al-142 produced tyramine. In conclusion, L. paracasei Al-128 and L. sakei Al-143 strains possess the best properties to be selected as adequate and safe meat starter cultures.
authors.affiliation: Laboratorio de Biotecnología Bacteriana, Instituto de Ciencia y Tecnología de Alimentos y Nutrición, ICTAN-CSIC, Madrid, Spain.
authors.forename: G
authors.initials: G
authors.lastname: Landeta
authors.forename: J A
authors.initials: JA
authors.lastname: Curiel
authors.forename: A V
authors.initials: AV
authors.lastname: Carrascosa
authors.forename: R
authors.initials: R
authors.lastname: Muñoz
authors.forename: B
authors.initials: B
authors.lastname: de las Rivas
mesh_terms: D000818:Animals; D000900:Anti-Bacterial Agents; D000942:Antigens, Bacterial / Q000302:isolation & purification; D001426:Bacterial Proteins / Q000302:isolation & purification; D018441:Biofilms / Q000187:drug effects; D001679:Biogenic Amines / Q000096:biosynthesis; D003257:Consumer Product Safety; D004269:DNA, Bacterial / Q000302:isolation & purification; D024881:Drug Resistance, Bacterial / Q000187:drug effects; D016984:Enterococcus faecium / Q000187:drug effects / Q000302:isolation & purification; D005516:Food Microbiology; D059022:Food Safety; D007778:Lactobacillus / Q000187:drug effects / Q000302:isolation & purification*; D048191:Lactiplantibacillus plantarum / Q000187:drug effects / Q000302:isolation & purification; D008461:Meat Products / Q000382:microbiology*; D013552:Swine; D013752:Tetracycline / Q000494:pharmacology; D014439:Tyramine / Q000096:biosynthesis; D037521:Virulence Factors / Q000235:genetics
chemical_list: D000900:Anti-Bacterial Agents; D000942:Antigens, Bacterial; D001426:Bacterial Proteins; D001679:Biogenic Amines; D004269:DNA, Bacterial; D037521:Virulence Factors; C116503:efaA protein, Enterococcus faecalis; D013752:Tetracycline; D014439:Tyramine