| Distribution of aminogenic activity among potential autochthonous starter cultures for dry fermented sausages. | |
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MedLine Citation:
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PMID: 20202339 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Any bacterial strain to be used as starter culture should have suitable characteristics, including a lack of amino acid decarboxylase activity. In this study, the decarboxylase activity of 76 bacterial strains, including lactic acid bacteria and gram-positive, catalase-positive cocci, was investigated. These strains were previously isolated from European traditional fermented sausages to develop autochthonous starter cultures. Of all the strains tested, 48% of the lactic acid bacteria strains and 13% of gram-positive, catalase-positive cocci decarboxylated one or more amino acids. Aminogenic potential was strain dependent, although some species had a higher proportion of aminogenic strains than did others. Thus, all Lactobacillus curvatus strains and 70% of Lactobacillus brevis strains had the capacity to produce tyramine and beta-phenylethylamine. Some strains also produced other aromatic amines, such as tryptamine and the diamines putrescine and cadaverine. All the enterococcal strains tested were decarboxylase positive, producing high amounts of tyramine and considerable amounts of beta-phenylethylamine. None of the staphylococcal strains had tyrosine-decarboxylase activity, but some produced other amines. From the aminogenic point of view, Lactobacillus plantarum, Lactobacillus sakei, and Staphylococcus xylosus strains would be the most suitable for use as autochthonous starter cultures for traditional fermented sausages. |
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Authors:
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M L Latorre-Moratalla; S Bover-Cid; R Talon; T Aymerich; M Garriga; E Zanardi; A Ianieri; M J Fraqueza; M Elias; E H Drosinos; A Laukov?; M C Vidal-Carou |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of food protection Volume: 73 ISSN: 0362-028X ISO Abbreviation: J. Food Prot. Publication Date: 2010 Mar |
Date Detail:
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Created Date: 2010-03-05 Completed Date: 2010-05-04 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7703944 Medline TA: J Food Prot Country: United States |
Other Details:
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Languages: eng Pagination: 524-8 Citation Subset: IM |
Affiliation:
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Departament de Nutrici? i Bromatologia, Facultat de Farm?cia, Universitat de Barcelona, E-08028 Barcelona, Spain. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Amino Acids
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analysis,
biosynthesis Animals Aromatic-L-Amino-Acid Decarboxylases / metabolism* Biogenic Amines / analysis, biosynthesis Colony Count, Microbial Consumer Product Safety* Enterobacteriaceae / enzymology, metabolism Fermentation Food Handling / methods* Food Microbiology* Humans Lactobacillus / enzymology, metabolism Meat Products / microbiology* Staphylococcus / enzymology, metabolism Swine Tyramine / analysis, biosynthesis |
| Chemical | |
Reg. No./Substance:
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0/Amino Acids; 0/Biogenic Amines; 51-67-2/Tyramine; EC 4.1.1.28/Aromatic-L-Amino-Acid Decarboxylases |
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