| Control of Listeria monocytogenes in turkey deli loaves using organic acids as formulation ingredients. | |
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MedLine Citation:
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PMID: 19762881 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The growth of Listeria monocytogenes in further-processed meat products has become a major concern and an important food safety issue. The meat and poultry industries have incorporated interventions such as organic acids in marinades to inhibit the growth of L. monocytogenes. In this study, organic acids were utilized in the raw product and as a postcook dip to determine their inhibitory effect on the growth of L. monocytogenes in turkey deli loaves. The turkey deli loaves were processed, cooked, cooled, inoculated with streptomycin-resistant L. monocytogenes, and then dipped. Treatments were potassium lactate (PL) in the raw product with sodium lactate (SL), sodium diacetate (SD) dip, PL with SL/PL/SD dip, SL with SL/SD dip, and SL with SL/PL/SD dip. There was also a positive (inoculated) and negative (noninoculated) control, which was dipped in distilled water. Days 0, 7, 14, 21, 28, 42, and 56 were sampled for L. monocytogenes. There were no differences (P>0.05) among the organic acid treatments in the turkey deli loaves at any time points; therefore, all of the treatments increased the lag phase of L. monocytogenes, extending the shelf-life of the product. However, there was a difference between the treatments and the positive control at d 7, 14, 21, 28, 42, and 56. The growth of L. monocytogenes increased immediately in the positive control, whereas the negative control appeared to have no growth. These organic acids can provide meat processors with a useful method for extending the lag phase of L. monocytogenes in ready-to-eat meat and poultry products. |
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Authors:
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T Lloyd; C Z Alvarado; M M Brashears; L D Thompson; S R McKee; M Berrang |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Poultry science Volume: 88 ISSN: 0032-5791 ISO Abbreviation: Poult. Sci. Publication Date: 2009 Oct |
Date Detail:
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Created Date: 2009-09-18 Completed Date: 2009-10-27 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401150 Medline TA: Poult Sci Country: United States |
Other Details:
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Languages: eng Pagination: 2235-9 Citation Subset: IM |
Affiliation:
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Texas Tech University, Department of Animal and Food Sciences, Box 42141, Lubbock, TX 79409, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Acetates
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pharmacology* Animals Colony Count, Microbial Food Microbiology* Lactates / pharmacology* Listeria Infections / prevention & control* Listeria monocytogenes / growth & development* Meat Products / microbiology* Turkeys |
| Chemical | |
Reg. No./Substance:
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0/Acetates; 0/Lactates |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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