Conclusions
The freezing of Indian mackerel in the plate freezer reduced
more than 51% time compared to air blast freezing. This drastic
reduction in the freezing time is attributed to the improved keeping
quality of the fish in plate frozen samples compared to air blast
frozen samples during storage. The formation of fat-oxidized products
and histamine was significantly more in the air blast frozen
samples compared to plate frozen samples. The authors recommend
the industry to use plate freezer for freezing seafood particularly
fatty fish.