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Meat Sci. 2011 Feb;87(2):140-5. doi: 10.1016/j.meatsci.2010.10.003. Epub 2010 Oct 12.

Effect of freeze-dried leek powder (FDLP) and nitrite level on processing and quality characteristics of fermented sausages.

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Department of Food Science and Technology, School of Agriculture, Aristotle University of Thessaloniki, GR 54124 Thessaloniki, Greece.


Fermented sausages were produced with 0.84% and 1.68% freeze-dried leek powder (FDLP), providing 75 and 150 mg/kg NaNO(3), respectively, and three levels of added nitrite (0, 75, and 150 mg/kg NaNO(2). A control treatment was also produced with 150 mg/kg NaNO(2). Sausages with FDLP were darker and yellower (p<0.05) than the control. Higher FDLP levels produced less red, yellower and darker sausages (p<0.05). Lower FDLP levels resulted in higher (p<0.05) sensory scores for external appearance, flavour and overall acceptability. No differences were found among the treatments with FDLP plus 75 or 150 ppm NaNO(2) in TBA value, lightness, redness (cross section), redness stability, yellowness, texture parameters and sensory firmness, flavour and overall acceptability. The use of 0.84% FDLP and 75 ppm NaNO₂ is considered more appropriate for the production of fermented sausages, as it results in a 50% reduction in added nitrite.

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