What causes the spoilage of salted fish?
Spoilage of fresh and lightly preserved fish products is caused by microbial action. Fish products with high salt contents may spoil due to growth of halophilic bacteria (salted fish) or growth of anaerobic bacteria and yeasts (barrel salted fish).
How does bacteria cause spoilage of fish?
Action of the Bacteria The freshly caught fish will be almost free from bacteria but the surface slime, gills and intestine may contain considerable load of bacteria. When the fish is dead, these bacteria start attacking the flesh causing spoilage and produce undesirable compounds.
What bacteria can be found in fish?
The bacteria most frequently described as fish pathogens are Aeromonas (28), Edwardsiella (5, 21), Pseudomonas (3, 25), Shewanella (13), Mycobacterium (30), Streptococcus (25), and Flavobacterium (25), of which some are common in Polish waters (12, 15).
What is a common source of bacterial contamination?
Some of the established bacterial contamination sources include contaminated manure, irrigation water, soil, livestock/ wildlife, and numerous factors influence the incidence, fate, transport, survival and proliferation of pathogens in the wide variety of sources where they are found.
Why are there so many bacteria in fish?
The presence of different bacteria species including human pathogenic bacteria in fish can be linked to direct contact with a contaminated water environment and ingestion of bacteria from sediments or contaminated feed. Thus, bacteria detected in fish reflect the condition and safety of aquatic environments.
What kind of bacteria is in white snapper?
Staphylococcus epidermidis is one of the bacteria that can contaminate the salted fish. This research aims to isolate the Staphylococcus epidermidis bacteria contamination in salted white snapper fish sold in Sibolga City, North Sumatra Province.
How are fish affected by foodborne pathogens?
Bacterial colonization can be observed on fish skin and gills due to constant exposure to contaminated water, while the digestive tract may be affected through contaminated feed or water. Contamination of fish muscles is also possible when immunological resistance is compromised (Guzman et al. 2004 ).
Why is the quality of fish a concern?
Noble Prize in Medicine in 1996. world population. The quality of fish is of major concern authorities. Provision of safe, wholesome and view. The quality of fish degrades due to a complex forms of deterioration are implicated. Fish of good gram. The greatest risk to human health occurs due to insufficiently processed fish, and fish products. The