New Insights into the Application of High-Pressure Processing and Storage Time and Temperature to Sliced Iberian Chorizo

被引:7
作者
Carrapiso, Ana I. [1 ]
Trejo-alvarez, Antonia [2 ]
Martin-Mateos, Maria Jesus [2 ]
Delgado-Adamez, Jonathan [2 ]
Garcia-Parra, Jesus [2 ]
Ramirez, Rosario [2 ]
机构
[1] Univ Extremadura, Escuela Ingn Agr, Tecnol Alimentos, Ctra Caceres S-N, Badajoz 06007, Spain
[2] Ctr Invest Cient & Tecnol Extremadura CICYTEX, Technol Agri Food Inst INTAEX, Badajoz 06071, Spain
关键词
sliced Iberian chorizo; high pressure processing; storage temperature; water activity; pH; HIGH HYDROSTATIC-PRESSURE; LISTERIA-MONOCYTOGENES; INACTIVATION; OXIDATION; SAUSAGES; VACUUM; MODEL;
D O I
10.3390/foods12030472
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
Producing dry-cured meats with relatively high a(w) and pH allows companies to cut costs to the detriment of microbial control. The purpose of this study was to evaluate for the first time the effect of High Processing Pressure (HPP) and storage temperature on the microbial counts, instrumental color, oxidation and sensory characteristics of sliced Iberian chorizo with high a(w) and pH. First, 600 MPa was applied for 480 s to sliced chorizo with a(w): 0.88 and pH: 6.01, and the treated and untreated samples were stored at 4 or 20 degrees C for 90 or 180 days. HPP, storage time and storage at 20 degrees C were successful at decreasing the microbial counts that were initially high. HPP and the storage temperature had a limited detrimental effect, whereas the storage time had a marked adverse effect on oxidation and some sensory traits. Despite the high a(w) and pH, no safety issues arose initially or during the storage at 4 or 20 degrees C. In conclusion, for chorizo with high a(w) and pH favoring high microbial counts, HPP may be an effective hurdle without a noticeable detrimental effect, and the economically convenient storage at 20 degrees C might be beneficial despite causing moderate quality loss.
引用
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页数:15
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