2011
DOI: 10.1016/j.idairyj.2011.01.011
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Use of the E-beam radiation to diminish the late blowing of cheese

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Cited by 16 publications
(25 citation statements)
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“…From these data, a D-value of 0.61 kGy was roughly estimated. This value is in the range usually reported for vegetative bacteria, which is close to the Dvalue of LAB (67,80), enterococci (2), and the pathogens Staphylococcus aureus (19,39), Salmonella (2,20,39), and L. monocytogenes (18,61) but higher than the /7-value of other pathogens such as Y. enterocolitica and many gram negative bacteria, for which /)-values of 0.2 to 0.3 kGy have been commonly reported (31,47).…”
Section: Resultssupporting
confidence: 87%
See 1 more Smart Citation
“…From these data, a D-value of 0.61 kGy was roughly estimated. This value is in the range usually reported for vegetative bacteria, which is close to the Dvalue of LAB (67,80), enterococci (2), and the pathogens Staphylococcus aureus (19,39), Salmonella (2,20,39), and L. monocytogenes (18,61) but higher than the /7-value of other pathogens such as Y. enterocolitica and many gram negative bacteria, for which /)-values of 0.2 to 0.3 kGy have been commonly reported (31,47).…”
Section: Resultssupporting
confidence: 87%
“…The E-beam treatment at 1 kGy resulted in a decrease in the original bacterial load, leading to an significant increase in shelf life at 4°C; 7.5 log CFU/cm2 was reached only after 11 days, with an estimated g-value of 14.8 h (0.25-fold higher than that of the nonirradiated microbiota), i.e., the growth rate of the microbiota was decreased by the E-beam treatment. The same effect was previously observed for S. aureus and L. monocytogenes in cooked ham (19) and for LAB in cheese (80), which was attributed to repair of damage caused by radiation. Therefore, the shelf-life extension of the products is due to both the lethal effect of the E-beam radiation and the decrease in the growth rate of the surviving indigenous microbiota.…”
Section: Resultssupporting
confidence: 85%
“…Given this variety of bacteria, it is not easy to assert those microbial groups that are most affected by the radiation. The overall estimated D -value (0.90 kGy) was similar to the one reported by other authors for some vegetative bacteria, including lactic acid bacteria [58, 59] and the ubiquitous enterococci [60]. It is also close to that of the pathogens S. aureus [36, 61], Salmonella spp.…”
Section: Resultssupporting
confidence: 86%
“…It was higher than that obtained for TVC counts, which may be a consequence only LAB are involved in the counts since the medium used for counting (MRS agar) is selective for these organisms. Actually, the LAB are, among the nonsporeforming bacteria, the organisms with a high resistance to the ionizing radiation [58, 59]. These results are close to those reported by other authors for LAB in meat, since a treatment of 2.5 kGy produced only a 3.4 log reductions while more than five reductions were observed for other bacteria such pseudomonads, Enterobacteriaceae or B. thermosphacta [58].…”
Section: Resultssupporting
confidence: 82%
“…However, the acidification occurring in the dough C-IF, obtained using IF at all steps and without any inoculated microorganism, could be due to metabolic activity of P. pentosaceus that had survived gamma-irradiation. Overall, LAB are more tolerant than Enterobacteriaceae to mild (2.5–3 kGy) irradiation treatments (Velasco et al, 2011). Pediococcus halophilus survived at ca.…”
Section: Discussionmentioning
confidence: 99%