alexa Use of natural antimicrobials to improve the control of Listeria monocytogenes in a cured cooked meat model system.


Journal of Food Processing & Technology

Author(s): Xi Y, Sullivan GA, Jackson AL, Zhou GH, Sebranek JG

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Abstract Concern about nitrite in processed meats has increased consumer demand for natural products manufactured without nitrite or nitrate. Studies on commercial meat products labeled as "Uncured" and "No-Nitrite-or-Nitrate-Added" have shown less control of nitrite in these products and greater potential growth of bacterial pathogens. To improve the safety of the "naturally cured" meats, several natural ingredients were studied in a cured cooked meat model system (80:20 pork, 10\% water, 2\% salt, and 150 or 50 ppm ingoing sodium nitrite) that closely resembled commercial frankfurters to determine their inhibitory effect on Listeria monocytogenes. Results showed that cranberry powder at 1\%, 2\% and 3\% resulted in 2-4 log cfu/g less growth of L. monocytogenes compared to the control with nitrite alone (P<0.05). Other natural compounds, such as cherry powder, lime powder and grape seed extract, also provided measureable inhibition to L. monocytogenes when combined with cranberry powder (P<0.05). Copyright © 2011 Elsevier Ltd. All rights reserved. This article was published in Meat Sci and referenced in Journal of Food Processing & Technology

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