By Antonio Galvez, María José Grande Burgos, Rosario Lucas López, Rubén Pérez Pulido (auth.)
The objective of this short is to supply a world view of the idea that of biopreservation and its capability and latest purposes within the varied nutrients sectors. Biopreservation, an process already experimented with through our ancestors, has been used empirically for hundreds of years and now the explanation in the back of it's changing into more and more renowned, utilized singly or together with novel and classical meals processing applied sciences. The turning out to be international inhabitants, including the globalization of the grocery store and shopper call for for meals which are able to consume, frivolously preserved, fresh-tasting, and wealthy in taste, food, and bioactive compounds, is forcing the nutrients to improve much less competitive meals protection methods.
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2000; Stergiou et al. 2006). Nevertheless, positive results have been reported for surface decontamination of raw meats before processing and packaging, in which antimicrobial activity was potentiated by combination with other antimicrobials or hurdles such as organic acids, chelators, vacuum packaging, or MAP. Representative examples reported on vacuum-packaged beef are the reduction in the numbers of Listeria innocua and B. thermosphacta after nisin treatment (Cutter and Siragusa 1996a) or the inhibition of L.
1). Washing, spraying or dipping with bacteriocin solutions have been tested alone or in combination with other antimicrobials to potentiate bacteriocin activity. In order to increase the efficacy of treatments and/or avoid cross contamination, raw meats are chilled, packaged under different atmospheric conditions such as vacuum packaging, MAP, or active packaging with O2 scavengers or CO2 generating systems (Coma 2008; McMillin 2008). Additional combinations such as low dose irradiation, UV surface decontamination or HHP have been proposed (Aymerich et al.
However, after a simulated cold-chain break event at day 60, there was a dramatic increase in the L. 5 log CFU/g), indicating the capacity of pressure-injured L. monocytogenes cells to recover under favourable conditions. 7 log CFU/g at 90 days. The authors concluded the combination of antimicrobial packaging with HPP could be useful to control and reduce the numbers of L. monocytogenes and to overcome temperature abuse. In a similar study, Jofré et al. (2008) tested the effectiveness of the application of interleavers (composed by polypropylene/polyamide layers) containing enterocins A and B, sakacin K, nisin A, potassium lactate and nisin plus lactate alone or in combination with a 400 MPa HHP treatment in sliced cooked ham spiked with Salmonella spp.