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Effect of electron beam irradiation on the quality of vacuum-packed, chilled-stored tilapia fish chunks

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Title Effect of electron beam irradiation on the quality of vacuum-packed, chilled-stored tilapia fish chunks
Not Available
 
Creator Jeyakumari, A.
Murthy, L. N.
Visnuvinayagam, S.
Sarma, K. S. S.
Rawat, K. P.
Khader, S. K.
 
Subject Non-thermal processing
Peroxide value
Sensory qualities
Shelf-life
TBA
TBARS
TVB-N
Vacuum packing
 
Description Not Available
Currently, there is an increasing demand for minimally processed or convenience food
products without any quality loss. Electron Beam Irradiation (EBI) is a non-thermal processing
technique used to preserve the nutrient value and shelf-life extension of food products. In
the present study, the effect of electron beam irradiation on the quality of tilapia fi sh
chunks was evaluated. Tilapia fi sh chunks were vacuum packed and exposed to 0, 2.0,
and 4.0 kGy doses of electron beam irradiation and kept under chilled storage. Biochemical,
microbiological, and sensory qualities were analysed for up to 41 days. pH (6.85 to 7.10),
total volatile base nitrogen (TVB-N), peroxide value (PV) and thiobarbituric acid (TBA)
content showed an increasing trend during storage. It was observed that TVB-N content
was lower in the irradiated sample than control. Thiobarbituric acid reactive substances
(TBARS) values were within the acceptable limits during storage. Microbiological analysis
revealed that irradiated fi sh chunks had lower total plate count, Pseudomonas count and
Brochothrix thermosphacta count compared to the control. The count of hydrogen sulfi de
producers and Lactobacillus were nil in the irradiated fi sh chunks. In terms of microbial
and sensory qualities, it was found that electron beam irradiated samples had an extended
shelf-life of 28-38 days (with respect to dose level), compared to the control which had a
shelf-life of only 16 days.
Not Available
 
Date 2024-04-25T17:06:23Z
2024-04-25T17:06:23Z
2023-04
 
Type Research Paper
 
Identifier Jeyakumari, A., Murthy, L. N., Visnuvinayagam, S., Sarma, K. S. S., Rawat, K. P. and Khader, S. K. (2023) Effect of electron beam irradiation on the quality of vacuum-packed, chilled-stored tilapia fish chunks. Indian J. Fish. 70(2): 109-115.
0970-6011
http://krishi.icar.gov.in/jspui/handle/123456789/82400
 
Language English
 
Relation Not Available;
 
Publisher ICAR