Conference paper (MFB)

Permanent URI for this collection

http://localhost:4000/handle/123456789/309

Browse

Browsing Conference paper (MFB) by Author "Iyer, T.S.G."

Now showing 1 - 3 of 3
  • Item
    INCIDENCE AND VIABILITY OF L. MONOCYTOGENES IN SEAFOOD HANDLING AND PROCESSING
    (Food and Agriculture Organization, 1995) Iyer, T.S.G.; Varma, P.R.G.; Gopakumar, K.
    Listeria monocytogenes was absent in all the 361 samples of frozen shrimps taken from the export trade. The organism survives freezing and further storage at -18°C for over two years. In water L. monocytogenes survives 10-30 days at room temperature (28-30°C) and 70-110 days at refrigerated temperature (5-1O°C) depending upon the initial load in the water sample. The process water in seafood processing factories should be chlorinated to a residual level of 10 ppm. to get full protection against L. monocytogenes.
  • Item
    Salmonella in marine products
    (Central Institute of Fisheries Technology, 2000) Iyer, T.S.G.
    Among gram-negative rod-shaped bacteria causing food borne gastroenteritis, the most important are members of the genus salmonella. Salmonella is the genetic name applied to a group of bacteria, which was formerly known as paratyphoid bacteria derived by D.E. salmon in 1885. Salmonellas are enteric organisms belonging to the family Enterobacteriaceae.
  • Item
    Survival of salmonella in shrimp and froglegs
    (Society of Fisheries Technologists (India), Cochin, 1982) James, M.A.; Iyer, T.S.G.; Rao, C.C.P.
    Survival and viability of ten serotypes of salmonella isolated from seafoods at refrierated and frozen srorage temperatures and at different pH values were studied. Salmonella serotypes were inoculated in two concentrations in shrimp, shrimp homogenates, froglegs and frog homogenates. All the serotypes of salmonella survived during refrigerated storage(2 to 5 degree C). Duration of survival was propotional to the initial concentration of inoculation. Heavily inoculated samples showed the presence of salmonella upto five months in the muscle portions of prawns and froglegs, while survival in respective homogenates were upto three months. Lower populatons, S. anatum, S. cubana, S. enteritidis and S. senftenberg survived at 60 degree C by one min heating. Above 80 degree C none survived by five min heating. All the serotypes tested were sensitive to pH below 5.0 and above 7.5.