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Influence of Freeze Thaw Cycle Abuse on Quality Attributes of Chevon During Storage

KrishiKosh

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Title Influence of Freeze Thaw Cycle Abuse on Quality Attributes of Chevon During Storage
 
Creator Katekhaye, A. F. A. F.
 
Contributor Ambadkar, R. K.
 
Subject Livestock Products Technology
Influence of Freeze Thaw Cycle Abuse on Quality Attributes of Chevon During Storage
 
Description The practical approach of present study was to evaluate effect of
multiple freeze thaw cycles in combination with effect of different thawing
methods in chevon. The Indian meat industry constantly in search of
measures to mitigate quality problems associated with multiple freezing-thawing. In present study chevon was subjected to three multiple freeze thaw
cycles and thawed either at refrigeration temp (overnight time) or hot water
temp (40±1°C) or room temp (35±2°C). The chevon thawed after each freeze
thaw cycle was evaluated for physico-chemical changes (pH, WHC, ERV, aw,
TBA, tyrosine value), proximate analysis (moisture, protein), microbial
analysis (TPC, Psychrophilic count, E. coli and Salmonella), sensory analysis,
histological morphology and myofibrillar protein isolation and SDS-PAGE. It
was observed that TBA, Tyrosine values were significantly increased whereas
WHC decreased as freeze thaw cycles were increased.
Certain, histological changes were found in different freeze thaw
cycles. The study revealed that microbial load increased in every freeze thaw
cycle and maximum TPC count was observed in room temperature thawed
chevon as compare to other method of thawing in different freeze thaw cycles.
The sensory evaluation revealed non significant variations in all the sensory
attributes throughout the study. The SDS-PAGE results revealed that there
were significant effects on Troponin (80kDa) protein in hot water thawed
chevon in 2nd and 3rd freeze thaw cycles. Also, as number of freeze thaw
cycles increased low molecular weight bands increased due to breakdown of
larger molecular weight protein.
 
Date 2017-01-03T15:42:27Z
2017-01-03T15:42:27Z
2012-09-16
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/94228
 
Language en
 
Format application/pdf
 
Publisher MAFSU