Production of Restructured Squid and Scallops from Processing By-Products and Underutilized Species
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Restructured squids were fabricated with heat-set binders according to the following combinations: starch, egg white albumin, fish sarcoplasmic protein, starch and egg white albumin, and starch and fish sarcoplasmic protein at various levels. Increasing the level of starch from 2 to 10% decrease the hardness, cohesiveness, and springiness of restructured squid. Two percent egg white albumin improved the hardness and cohesiveness, while 2% fish sarcoplasmic protein improved cohesiveness and springiness of the squid gel. The hardness, cohesiveness, and springiness of starch-based combinations decreased as a function of starch.
Restructured scallops were prepared from cold-set binders: alginate and microbial transglutaminase at the 1% level with different setting times to yield the highest binding strength. At the setting temperature of 5Â° C, restructured scallops bound with alginate presented the greatest binding strength at 2 hr setting, while those bound with microbial transglutaminase required 24 hr to reach the maximum binding strength. Although alginate benefits the manufacturer with respect to the shorter setting time, the lower binding strength values may result in a decrease in consumer acceptability.
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