Hard and soft shell mud crab muscles underwent physicochemical
changes, especially protein denaturation during frozen
storage at 20 C for 12 weeks. However, soft shell mud crab
musclewas more susceptible to denaturation during frozen storage
than the muscle of hard shell mud crab muscle. Formaldehyde
formation and lipid oxidation also took place during storage to
different degrees, depending upon muscle types and storage time.
Additionally, the cooking loss was more pronounced in the muscle
of soft shell crab. Therefore, the faster freezing process together
with the lower frozen storage temperature is suggested for soft
shell crab to obtain the prime quality, in comparison with that
employed for hard shell crab.
Hard and soft shell mud crab muscles underwent physicochemicalchanges, especially protein denaturation during frozenstorage at 20 C for 12 weeks. However, soft shell mud crabmusclewas more susceptible to denaturation during frozen storagethan the muscle of hard shell mud crab muscle. Formaldehydeformation and lipid oxidation also took place during storage todifferent degrees, depending upon muscle types and storage time.Additionally, the cooking loss was more pronounced in the muscleof soft shell crab. Therefore, the faster freezing process togetherwith the lower frozen storage temperature is suggested for softshell crab to obtain the prime quality, in comparison with thatemployed for hard shell crab.
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