Improvement of storage resistance of sausage products to micellar mushrooms by synthetic protective shrinks

The aim of the work was to establish the frequency of detection of mold of raw smoked sausages and to evaluate the use of synthetic protective shrinks, which provide long-term storage of sausages. Nine batches (310 samples) of raw smoked sausages were examined, 487 crops were made on special media, 154 samples of sausages were examined according to physical and chemical parameters. We determined that an intensive contamination of their surface with micellar fungi during the sale of raw smoked sausages in retail trade is taking place: Penicillium (62.9%), Aspergillus (18.2%), Mucor (10.7%), Cladosprium (4.5%). We found that on the 5th day of their sale 4.57±1.64% of experimental sausage bulks are contaminated with micellar fungi but more massive and intensive development of micromycelia was found on the 20th day of sale (29.32±8.16% of cases). We proved that the use of protective coating/srink “Optiglianets” (Lofink Group, Ukraine), “CoatStar 110” (OJSC “Upakprint”, Russia), “Polisved1” (OJSC “Omega”, Russia), “Antibak Tauchmassa” (Company “Swed Holding”, Russia) and “Tauchmasse KP-15”, Italy), delayed up to 20 days the development of micellar fungi on the surface of prototypes of smoked sausages. We applied them in a thin layer (0.06-0.10 mm depending on the applied means) on the surface of sausage bulks and dried in drying chambers at temperature of 15.0±2.0 °C and 45 minutes exposure at a relative humidity of 70%. The weight loss of raw smoked sausages was the lowest with the use of protective coating “Optiglyanets” (Lofink Group, Ukraine) and “Polisved-1” (OJSC “Omega”, Russia). It was 14.5±0.8% and equal to 60% reduction compared to other protective coatings/shrinks implementation. 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