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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für Lebensmittel-Untersuchung und -Forschung 205 (1997), S. 351-355 
    ISSN: 1431-4630
    Keywords: Key words Biogenic amines ; Dry sausages ; Shelf-life ; Quality control
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract  The formation of biogenic amines in dry sausages after ripening was studied. Four batches of dry sausages were provided by a manufacturer after slicing and vacuum-packaging and were stored at +4°C and +10°C. Biogenic amines (tyramine, histamine, tryptamine, phenylethylamine, putrescine, cadaverine, spermine and spermidine) were analysed 4 times during the 58-day storage time. Dry sausages were also evaluated according to their sensory acceptability, pH values and contents of thiobarbituric acid and volatile nitrosamines. Tyramine and putrescine were formed during the storage period and differences between batches were detected. The sensory quality remained acceptable throughout the trial. The slight decrease in sensory scores during the storage time could not been explained either by increased tyramine and putrescine levels or by other chemical parameters. The results of this study demonstrate that contamination by amine-producing bacteria and/or amine formation can also occur after the fermentation process of dry sausages.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The effect of an amine-negative starter culture, containing Pediococcus pentosaceus and Staphylococcus carnosus, on the growth and amine formation of an amine-positive contaminant lactic acid bacterium (G 106) was studied in dry sausages. Levels of biogenic amines, precursor amino acids, pH, water activity and microbial counts were measured. Levels of phenylethylamine and tyramine increased in the sausages inoculated with the amine-positive strain. The starter culture did not prevent growth of G 106 or its amine formation capability. However, levels of histamine remained low although G 106 could produce histamine in vitro.
    Type of Medium: Electronic Resource
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