Influence of microflora composition on safety and colour parameters of “kumpia wieprzowa” during ripening

• Autorzy: Wesierska E. , Korzekwa K. , Foks S. , Mickowska B.
• Języki publikacji: EN

Abstrakty

EN

The aim of this study was to define the influence of microbiological activity on the safety (microflora composition, biogenic amine amount) and colour of “kumpia wieprzowa” during the 3-month ripening period. The study included the amount of aerobic bacteria, yeast, lactobacilli rods, coagulase- negative cocci, pH and colour parameters as well as the content of nitrates (V) and (III), biogenic amines and amino acids. The lactobacilli and cocci constituted the predominant microflora of the ready-to-eat product (4.9-5.2 and 5.2-5.4 log cfu/g, respectively), although further mesophilic bacteria identification revealed the presence of numerous aerobic, aerotolerant and anaerobic species, mostly gram-positive, spore- and non-spore-forming. The absence of 2-phenylethylamine and putrescine and the low level of tryptamine (2.5 mg/kg) at the beginning of the ripening as well as the increase of tyramine and spermine amounts from 11.5 and 2.7 to 21.9 and 4.0 mg/kg, respectively during the treatment, denoted the good quality of raw meat used and dynamic growth of the desired acidifying and denitrifying microorganisms. The development of the coagulase-negative cocci population corresponded with the a* and C* colour parameters and the nitrate (III) content increase, the final result of which was 26.9, 27.5 as well as 19.4 mg/kg. The content of nitrates (V) and (III) was optimal to obtain a non-cured, safe and suitably coloured, long-term ripened meat product.

• Wydawca: -
• Czasopismo: Polish Journal of Veterinary Sciences
• Rocznik: 2013
• Tom: 16
• Numer: 2
• Opis fizyczny: p.299-305,fig.,ref.

Twórcy

autor

Wesierska E.

• University of Agriculture in Krakow, Department of Animal Product Technology, Balicka 122, 30-149 Kraków, Poland

autor

Korzekwa K.

• University of Wrocław, Institute of Genetics and Microbiology, S. Przybyszewskiego 63/77, 51-148 Wrocław, Poland

autor

Foks S.

• University of Agriculture in Krakow, Department of Animal Product Technology, Balicka 122, 30-149 Kraków, Poland

autor

Mickowska B.

• University of Agriculture in Krakow, Malopolska Centre of Food Monitoring, Balicka 122, 30-149 Kraków, Poland

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