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  • Title: [Preservation of the blood of slaughter animals by the non-diaphragmatic use of solidified carbon dioxide. III. Effect of blood preservation. Practical blood stability].
    Author: Jerzykowski J, Szydłowski A.
    Journal: Pol Arch Weter; 1987; 25(2-3):201-12. PubMed ID: 3133644.
    Abstract:
    The preservation effectivity of slaughter animal blood for consumptive purposes was studied by a method of non-phrenic action with solidified CO2. The material for studies was full pig blood stabilized with sodium citrate. The course of the changes of the blood properties studied has been described by regression equations. Blood stabilization with solidified CO2 was found to reduce the rate of aerobic microflora growth and of proteolytic changes and to extend the stability period of the coagulation system. The results of sensory studies were related to the boundary values of the studied physicochemical and microbiological quality factors. The admissible periods of blood storage were determined from the results of the studies. It was found that practical preservation of blood stabilized with solidified CO2 was 15 full days at 5 degrees C, 6 days at 10 degrees C and 4 days at 15 degrees C, and it was two, three and four times greater at the three successive temperatures, as compared with the preservation of control blood.
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