Combination of a Natural Bioactive Compound and High-Hydrostatic-Pressure Treatment to Increase the Shelf-Life and Quality of Pork Meat

Author:

Csurka Tamás1,Fekete Zoltán1,Visy Anna1,Hidas Karina Ilona1ORCID,Dalmadi István1ORCID,Horváth Ferenc1,Friedrich László Ferenc1,Jónás Gábor1ORCID

Affiliation:

1. Institute of Food Science and Technology, Department of Livestock Products and Food Preservation Technology, Hungarian University of Agriculture and Life Sciences, Ménesi Str. 43-45, H-1118 Budapest, Hungary

Abstract

Currently, there is a growing demand for ready-to-eat, prepared, high-quality, preservative-free products. However, the shelf-life of these products is often so short that a relatively high percentage of these products cannot be sold and end up as food waste. In this study, pork loin with different marinades (paprika and herbs) was treated with different high hydrostatic pressures (0 MPa, 300 MPa, 450 MPa and 600 MPa) and a bioactive component (piperine) and then the quality of the meat was examined after 0, 4, 8, 12 and 14 days of cold storage. Changes were monitored using color, pH, texture and microbiological analyses. Both pressure, piperine enrichment, storage time and the interactions of different factors had a significant effect on the quality of the loin samples with different marinades. Due to the denaturation of myoglobin, meat slices were less red and lighter after HHP treatment. The addition of piperine reduced this lightness. The pH increased with increasing pressure and decreased with storage time. HHP treatment significantly increased meat hardness, with samples treated at 600 MPa being 19% harder than those treated at 450 MPa. Microbiological results indicated that HHP at 450 MPa and 600 MPa effectively reduced anaerobic total live plate counts, ensuring satisfactory sensory and microbiological quality throughout storage. Piperine fortification also resulted in a more favorable microbiological status during storage without any perceptible change in quality properties during storage. These findings underscore the effectiveness of HHP and piperine enrichment in enhancing the safety and quality of marinated meats.

Publisher

MDPI AG

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