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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Evaluation of the microbiological safety and sensory quality of a sliced cured-smoked pork product with protective cultures addition and modified atmosphere packaging
Food Science and Technology International, Volume 25, No. 4, Year 2019
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Description
The aim of this study was to evaluate the effect of two protective lactic acid bacteria cultures combined with modified atmosphere packaging on the survival/growth of Listeria innocua 2030c (as a surrogate for Listeria monocytogenes) and on sensory attributes of ready-to-eat ‘lombo’ over storage time. Sliced ‘lombo’, a traditional cured-smoked pork loin, was inoculated with L. innocua 2030c, Lactobacillus sakei ST153 (isolated from ‘salpicão’) and BLC35 culture (with Lactobacillus curvatus, Staphylococcus xylosus and Pediococcus acidilactici; CHR Hansen) as protective cultures. Samples were packed in two modified atmosphere packaging conditions (20% CO2/80% N2 and 40% CO2/60% N2) and stored at 5 ℃ for 124 days. Both cultures led to a reduction of 1–2 log CFU/g of L. innocua 2030c after 12 h; however, at the end of storage only Lb. sakei ST153 maintained this antilisterial effect, which was more evident at 40% CO2/60% N2. The influence of cultures addition and modified atmosphere packaging conditions on the sensory characteristics of the product were not significant. Thus, Lb. sakei ST153 combined with modified atmosphere packaging is a strong candidate to be used in a biopreservation strategy maintaining the traditional sensory quality of cured-smoked pork products and increasing their safety with respect to Listeria spp. © The Author(s) 2019.
Authors & Co-Authors
Fonseca, Susana Caldas
Portugal, Viana do Castelo
Instituto Politécnico de Viana do Castelo
Portugal, Porto
Laqv-requimte
Todorov, S. D.
Brazil, Vicosa
Universidade Federal de Vicosa
Teixeira, Paula Cristina Maia
Portugal, Porto
Universidade Católica Portuguesa
Vaz-Velho, Manuela
Portugal, Viana do Castelo
Instituto Politécnico de Viana do Castelo
Statistics
Citations: 2
Authors: 4
Affiliations: 5
Identifiers
Doi:
10.1177/1082013219825771
ISSN:
10820132