Physicochemical and microbiological characteristics of diverse Spanish cured meat products

被引:13
|
作者
Menendez, Rosa A. [1 ]
Rendueles, Eugenia [1 ]
Sanz, Jose J. [1 ]
Santos, Jesus A. [2 ]
Garcia-Fernandez, Maria C. [1 ]
机构
[1] Univ Leon, Inst Food Sci & Technol, ICTAL, C La Serna 58, Leon 24007, Spain
[2] Univ Leon, Dept Hyg & Food Technol, Leon, Spain
关键词
Meat products; microbiological; physicochemical; packaging; Productos carnicos; microbiologia; fisico-quimico; envasado; DRY-FERMENTED SAUSAGES; SENSORY QUALITY; HIGH-PRESSURE; LISTERIA-MONOCYTOGENES; SODIUM REPLACEMENT; PACKAGING METHOD; CHILLED STORAGE; BEEF CECINA; LOIN; IDENTIFICATION;
D O I
10.1080/19476337.2017.1379560
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
A study about the influence of commercial packaging on physicochemical and microbiological characteristics of Spanish cured meat products was performed. For this purpose, 100 samples of fermented sausages (FS) and pieces of cured meat (P) were analyzed. Results for mean pH values were 5.12 (FS) and between 5.79-5.83 (P). All mean values for a(w) were under 0.90. Mean counts for mesophilic aerobic bacteria were more than 8 log cfu/g (FS) and they were between 4.47 and 7.61 log cfu/g (P). Microbiological groups of Enterobacteriaceae were not detected in more than two-thirds of the samples. The presence of Staphylococcus aureus was frequent. Salmonella spp. and Listeria monocytogenes were detected, after enrichment, in 4 and 5 samples, respectively. Clostridium botulinum was not detected. A statistically significant (p<0.05) absence of enterobacteria was observed in packaged samples. RESUMENSe ha llevado a cabo un estudio sobre la influencia que puedan tener las distintas presentaciones comerciales de productos carnicos espanoles sobre las caracteristicas fisicoquimicas y microbiologicas de los mismos. Para conseguir este objetivo, 100 muestras de embutidos (FS) y piezas curadas (P) fueron analizadas. Los resultados para los valores medios de pH fueron 5,12 (FS) y entre 5,79-5,83 (P). Todos los valores de a(w) estuvieron por debajo de 0,90. Las medias de los recuentos para la flora aerobia mesofila fueron de mas de 8 log ufc/g (FS) y entre 4,47-7,61 log ufc/g (P). Distintos componentes de la familia Enterobacteriaceae no fueron detectados en mas de dos tercios de las muestras. La presencia de Staphylococcus aureus fue habitual. Salmonella spp. y Listeria monocytogenes fueron detectados, tras enriquecimiento, en 4 y 5 muestras, respectivamente. Clostridium botulinum no fue detectado. Fue observada una ausencia, estadisticamente significativa (p<0,05), de enterobacterias en las muestras envasadas.
引用
收藏
页码:199 / 204
页数:6
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