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Meat Sci. 2011 Mar;87(3):290-8. doi: 10.1016/j.meatsci.2010.11.005. Epub 2010 Nov 13.

The effect of yeast extract addition on quality of fermented sausages at low NaCl content.

Author information

1
Universidade Estadual de Campinas, CEP 13083-862, Campinas, São Paulo, Brazil. paulocampagnol@yahoo.com.br

Abstract

Fermented sausages with 25% or 50% of their NaCl replaced by KCl and supplemented with 1% or 2% concentrations of yeast extract were produced. The sausage production process was monitored with physical, chemical and microbiological analyses. After production, the sausage samples were submitted to a consumer study and their volatile compounds were extracted by solid-phase microextraction and analyzed by GC-MS. The replacement of NaCl by KCl did not significantly influence the physical, chemical or microbiological characteristics. The sensory quality of the fermented sausages with a 50% replacement was poor compared with the full-salt control samples. The use of yeast extract at a 2% concentration increased volatile compounds that arose from amino acids and carbohydrate catabolism. These compounds contributed to the suppression of the sensory-quality defects caused by the KCl introduction, thus enabling the production of safe fermented sausages that have acceptable sensory qualities with half as much sodium content.

PMID:
21123002
DOI:
10.1016/j.meatsci.2010.11.005
[Indexed for MEDLINE]

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