| Thermal inactivation kinetics of Lactococcus lactis subsp. lactis bacteriophage pll98-22. | |
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MedLine Citation:
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PMID: 19378929 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Survival curves of Lactococcus lactis subsp. lactis bacteriophage pll98 inactivated by heat were obtained at seven temperature values (50-80 degrees C) in M17 broth and skim milk. Deviations from first-order kinetics in both media were observed as sigmoidal shapes in the survival curves of pll98. An empirical model with four parameters was used to define the thermal inactivation. Number of parameters of the model was reduced from four to two in order to increase the robustness of the model. The reduced model produced comparable fits to the full model. Both the survival data and the calculations done using the reduced model (time necessary to reduce the number of phage pll98 six- or seven- log10) indicated that skim milk is a more protective medium than M17 broth within the assayed temperature range. |
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Authors:
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Pinar Sanlibaba; S Buzrul; Nefise Akkoç; H Alpas; M Akçelik |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Acta biologica Hungarica Volume: 60 ISSN: 0236-5383 ISO Abbreviation: Acta. Biol. Hung. Publication Date: 2009 Mar |
Date Detail:
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Created Date: 2009-04-21 Completed Date: 2009-05-14 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8404358 Medline TA: Acta Biol Hung Country: Hungary |
Other Details:
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Languages: eng Pagination: 127-36 Citation Subset: IM |
Affiliation:
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Food Technology Department, Kalecik High School, Ankara University, Ankara, Turkey. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Bacteriophages / physiology* Hot Temperature* Lactococcus lactis / virology* Milk / virology Models, Biological Virus Inactivation* |
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