Use of Nitrite-Embedded Packaging Film for Color Stability of Alternatively Cured, Fully Cooked Bologna

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2020-04-03
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Cropp, Michael
Tarté, Rodrigo
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Nitrite-embedded packaging film was investigated for potential effects on the color stability of alternatively cured meats. The impact of nitrite-embedded film on color stability of large-diameter sandwich bologna was assessed over a 125-d lighted display period. Five treatments of large-diameter bologna were manufactured: (1) a conventionally cured control packaged with conventional film (“CON-CF”), (2) an alternatively cured formulation (cultured celery juice powder plus cherry powder) packaged with conventional film (“CJP-CF”), and (3) an alternatively cured formulation (cultured celery juice powder plus cherry powder) packaged with nitrite-embedded film (“CJP-NEF”). An additional alternatively cured formulation (4) Natpre T-10 EML Plus S was packaged with conventional film (“NT10-CF”) and (5) with nitriteembedded film (“NT10-NEF”). In-package surface a* values were significantly higher (P < 0.05) in nitrite-embedded film, particularly for the bologna with low ingoing nitrite concentration. Reduced color stability was observed for bologna in conventional film packages during lighted display, while the nitrite-embedded film showed improved color stability. Surface and internal residual nitrite concentrations were significantly lower (P < 0.05) in the Natpre T-10 EML Plus S treatments for the first 13 d of storage. Further, residual nitrite in the nitrite-embedded film products was not increased (P > 0.05) by use of the packaging film and did not differ compared to the conventional film. Thus, nitrite-embedded film packaging technology can improve the color stability of alternatively cured meats without increasing the measurable nitrite concentration in the product.

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This article is published as Cropp M. S. & Dickson J. S. & Tarté R. & Sebranek J. G., (2020) “Use of Nitrite-Embedded Packaging Film for Color Stability of Alternatively-Cured, Fully Cooked Bologna”, Meat and Muscle Biology 4(1). doi: 10.22175/mmb.10379.

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