FT Vol.25(1)

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Browsing FT Vol.25(1) by Author "Sreekumari, K. R."

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    Studies on Lypolytic Bacteria in Stored Fish Etroplus suratensis (Bloch)
    (Society of Fisheries Technologists (India)Cochin, 1988) Sreekumari, K. R.; CHANDRASEKHARAN, M; LAKSHMANAPERUMALSAMY, P
    The distribution of total hectrotrophic bacteria (THB) and lipolytic bacteria in various regions (body surface, gill, intestine and flesh) of fish Etroplus suratensis (Bloch) during storage at 28 + 2°C and 4 °C was studied. Pseudomonas dominated at reduced temperature whereas at 28 + 2°C and in fresh condition Vibrio, Aeromonas, and Acinetobacter dominated. Lipolytic activity was elaborated by the members of various genera and their activity varied in different lipid compounds (t~ib~tyrin, tw~en 80, tween 60, tween 40 and tween 20). Tributyrin was utilized by maJonty of the is~lates. AH the selected isolates preferred a temperature of 35°C and pH 6.0 for their maximum growth. Aeromonas and Vibrio showed maximum growth at 0.5 % Na CJ concentration while 3 % NaCl was found to be optimum for Pseudomonas