EFFECTS OF INCUBATION CONDITION AND DIFFERENT STARTER STRAINS FOR THE PRODUCTION OF NITRITES FROM NATURAL NITRATE SOURCES

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dc.citation.epage77
dc.citation.spage72
dc.contributor.authorVujadinović, Dragan
dc.contributor.authorBeribaka, Mirjana
dc.contributor.authorVukić, Milan
dc.contributor.authorMarjanović-Balaban, Željka
dc.date.accessioned2023-08-31T10:27:28Z
dc.date.available2023-08-31T10:27:28Z
dc.date.issued2016
dc.description.abstractNitrates and nitrites are used in production of meat products and they play an important role as preservatives, but also in the formation of characteristic red color and taste of the meat. Vegetable products represent a significant potential as a natural source of nitrate for producing organic cooked meat products. The aim of this paper was to investigate the effect of temperature changes on the degree and speed of reduction of nitrates to nitrite salts, using different starter strains of microorganisms. Staphylococcus carnosus was used as nitro-reducing starter culture for the first model, and S. carnosus in combination with Lactobacillus sakei, for the second model. Celery powder was used as a natural source of nitrate salts. Both models were incubated in the temperature range from 20 0C to 40 0C with a temperature gradient of 2 0C, for 24 and 48 hours. A method for determining nitrite is defined by the international standard ISO 2918:1999. Obtained values of nitrite concentrations were used to calculate the degree and speed of reduction of nitrates to nitrites. The degree and speed of a chemical reaction increase with increasing temperature. The final concentration of nitrite salts after 24 hours of incubation for the first model was 85 ± 2 ppm at 40 0C and for the same model after 48 hours of incubation, 100 ± 10 ppm (40 0C). The second model showed similar patterns of increase, 81 ± 9 ppm (24h, 40 0C) and 83 ± 10 ppm (24h, 40 0C). The concentration of nitrite salts, the degree and speed of reduction of nitrate salts after 48 hours of incubation was increased, compared to the concentration of nitrite salts after incubation for 24 hours, in both models. The starter culture in which it was used only S. carnosus, proved to be more efficient when it comes to the reduction of nitrates
dc.identifier.urihttps://vaseljena.ues.rs.ba/handle/123456789/631
dc.language.isoen
dc.publisherKEY
dc.sourceJournal of Hygienic Engineering and Design
dc.subjectTemperature, Reduction, Nitrate, Nitrite, Celery, Microorganisms
dc.titleEFFECTS OF INCUBATION CONDITION AND DIFFERENT STARTER STRAINS FOR THE PRODUCTION OF NITRITES FROM NATURAL NITRATE SOURCES
dc.typeArticle
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