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Optimization of conditions for natural fermentation of freshwater fish processing waste using sugarcane molasses

IR@CFTRI: CSIR-Central Food Technological Research Institute, Mysore

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Relation http://ir.cftri.com/9114/
JFST-44-09
 
Title Optimization of conditions for natural fermentation of freshwater fish processing waste using sugarcane molasses
 
Creator Ganesan, P.
Pradeep, M. G.
Sakhare, P. Z.
Suresh, P. V.
Bhaskar, N.
 
Subject 04 Fermentation Technology
28 Meat, Fish & Poultry
 
Description Conditions like, substrate level and incubation time at elevated temperature (37+l°C) for fermentation of fish waste by in situ lactic acid bacteria (LAB) using sugarcane molasses as source of sugar to obtain the desirable pH (<3.8) were optimized by response surface methodology. The visceral wastes resulting from processing of freshwater carps (Catla catla, Labeo rohita and Cyprinus carpio) were used for the study and had an initial pH of 5.8 and LAB count of 4.6 log cfu/g. Sugarcane molasses at 7.5% (w/w) as a source of sugar and fermentation for 48 h at 37±1°C were found optimum to get the desired pH reduction. The usefulness of the model was further validated using different random combinations of 2 independent variables. During storage for 14 days, fish waste fermented under optimized conditions showed an increase in LAB count from the initial 4.6 to 8.3 log cfu/g. However, enterobacteria and staphylococci were not detected during storage. The pH and total titrable acidity of the fermented silage stabilized around 3.8 and 1.8, respectively. The lactic fermentation stabilized fish waste has the potential for use as an ingredient in aquaculture/animal feeds.
 
Date 2009
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://ir.cftri.com/9114/1/jsft_2009_46%284%29_312-.pdf
Ganesan, P. and Pradeep, M. G. and Sakhare, P. Z. and Suresh, P. V. and Bhaskar, N. (2009) Optimization of conditions for natural fermentation of freshwater fish processing waste using sugarcane molasses. Journal of Food Science and Technology, 46 (4). pp. 312-315.