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Information Journal Paper

Title

EFFECTS OF BACTERIOCINE Z ON THE SHELF-LIFE OF SILVER CARP FILLETS DURING REFRIGERATED STORAGE

Pages

 Start Page 31 | End Page 38

Abstract

 Background and Objectives: Because of the high perishability of fish, keeping the quality of fresh fish is one of the most important problems in the fish-processing industry and for the consumers. The aim of this study was to determine the antibacterial and antioxidant effects of BACTERIOCINE Z on SILVER CARP fillets during refrigerated storage.Materials and Methods: After being weighed, fish fillets were sprayed with nisin Z (0.2 g/kg) packaged in vacuum and refrigerated (4oC). Microbial (TVC, PTC, LAB) and chemical (PV, TBA, TVB-N) parameters were measured at days 0, 3, 6 and 9.Results: As compared with the nisin Z-treated fish samples, the psycrotrophic, lactic-acid, and aerobicmesophilic bacterial counts were higher in the control samples. The MICROBIAL PARAMETERS decreased significantly in the nisin Z-treated samples at the beginning of the period, followed by a slower rate of increase than the control, the CHEMICAL PARAMETERS showed a slower rate of decrease.Conclusion: Using metabolites as natural preservatives in fish fillets may increase SHELF-LIFE of SILVER CARP fillets during refrigerated storage. BACTERIOCINE Z may extend their SHELF-LIFE at 4oC by 3 days.

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