Antibiotic susceptibility and antimicrobial activity of autochthonous starter cultures as safety parameters for fresh cheese production

The antibiotic susceptibility and antimicrobial activity, as food safety parameters important for application of autochthonous lactic acid bacteria (LAB), that previously satisfied technological criteria for functional starter cultures in fresh cheese production were examined. Soluble whole cell pro...

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Main Authors: Dora Bučan, Ksenija Uroić, Jasna Beganović, Blaženka Kos, Andreja Leboš Pavunc, Jagoda Šušković
Format: Article
Language:English
Published: Croatian Dairy Union 2013-11-01
Series:Mljekarstvo
Subjects:
Online Access:http://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=163737
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author Dora Bučan
Ksenija Uroić
Jasna Beganović
Blaženka Kos
Andreja Leboš Pavunc
Jagoda Šušković
author_facet Dora Bučan
Ksenija Uroić
Jasna Beganović
Blaženka Kos
Andreja Leboš Pavunc
Jagoda Šušković
author_sort Dora Bučan
collection DOAJ
description The antibiotic susceptibility and antimicrobial activity, as food safety parameters important for application of autochthonous lactic acid bacteria (LAB), that previously satisfied technological criteria for functional starter cultures in fresh cheese production were examined. Soluble whole cell protein patterns of autochthonous LAB strains from fresh cheese, obtained by SDS-PAGE, revealed the presence of two predominant strains, which were identified as Lactobacillus fermentum A8 and Enterococcus faecium A7. These strains were not resistant and shown susceptibility to antibiotics: ampicillin, bacitracin, penicillin G, azithromycin, chloramphenicol, clarithromycin, clindamycin, spiramycin, tetracycline, streptomycin, neomycin, gentamicin, erythromycin, rifampicin and novobiocin. Lb. fermentum A8 strain displayed phenotypic resistance to vancomycin, but this resistance is intrinsic, not transferable and it is acceptable from the safety aspect. The capacity of Lb. fermentum A8 and Ec. faecium A7 to inhibit growth of test-microorganisms Listeria monocytogenes ATCC 11911, Escherichia coli 3014, Salmonella enterica serovar Typhimurium FP1 and Staphylococcus aureus 3048, was also analysed. According to obtained results, Lb. fermentum A8 and Ec. faecium A7 are safe from the aspect of spreading antibiotic resistance and could be useful as bioprotective cultures that inhibit common bacterial food contaminants, including L. monocytogenes.
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issn 0026-704X
1846-4025
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spelling doaj-art-e7445a37dc0846869ad94e57b7d53e352025-08-20T03:26:10ZengCroatian Dairy UnionMljekarstvo0026-704X1846-40252013-11-01634185194Antibiotic susceptibility and antimicrobial activity of autochthonous starter cultures as safety parameters for fresh cheese productionDora BučanKsenija UroićJasna BeganovićBlaženka KosAndreja Leboš PavuncJagoda ŠuškovićThe antibiotic susceptibility and antimicrobial activity, as food safety parameters important for application of autochthonous lactic acid bacteria (LAB), that previously satisfied technological criteria for functional starter cultures in fresh cheese production were examined. Soluble whole cell protein patterns of autochthonous LAB strains from fresh cheese, obtained by SDS-PAGE, revealed the presence of two predominant strains, which were identified as Lactobacillus fermentum A8 and Enterococcus faecium A7. These strains were not resistant and shown susceptibility to antibiotics: ampicillin, bacitracin, penicillin G, azithromycin, chloramphenicol, clarithromycin, clindamycin, spiramycin, tetracycline, streptomycin, neomycin, gentamicin, erythromycin, rifampicin and novobiocin. Lb. fermentum A8 strain displayed phenotypic resistance to vancomycin, but this resistance is intrinsic, not transferable and it is acceptable from the safety aspect. The capacity of Lb. fermentum A8 and Ec. faecium A7 to inhibit growth of test-microorganisms Listeria monocytogenes ATCC 11911, Escherichia coli 3014, Salmonella enterica serovar Typhimurium FP1 and Staphylococcus aureus 3048, was also analysed. According to obtained results, Lb. fermentum A8 and Ec. faecium A7 are safe from the aspect of spreading antibiotic resistance and could be useful as bioprotective cultures that inhibit common bacterial food contaminants, including L. monocytogenes.http://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=163737antimicrobial activityantibiotic susceptibilityautochthonous starter cultures
spellingShingle Dora Bučan
Ksenija Uroić
Jasna Beganović
Blaženka Kos
Andreja Leboš Pavunc
Jagoda Šušković
Antibiotic susceptibility and antimicrobial activity of autochthonous starter cultures as safety parameters for fresh cheese production
Mljekarstvo
antimicrobial activity
antibiotic susceptibility
autochthonous starter cultures
title Antibiotic susceptibility and antimicrobial activity of autochthonous starter cultures as safety parameters for fresh cheese production
title_full Antibiotic susceptibility and antimicrobial activity of autochthonous starter cultures as safety parameters for fresh cheese production
title_fullStr Antibiotic susceptibility and antimicrobial activity of autochthonous starter cultures as safety parameters for fresh cheese production
title_full_unstemmed Antibiotic susceptibility and antimicrobial activity of autochthonous starter cultures as safety parameters for fresh cheese production
title_short Antibiotic susceptibility and antimicrobial activity of autochthonous starter cultures as safety parameters for fresh cheese production
title_sort antibiotic susceptibility and antimicrobial activity of autochthonous starter cultures as safety parameters for fresh cheese production
topic antimicrobial activity
antibiotic susceptibility
autochthonous starter cultures
url http://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=163737
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