Comparative efficacy of different tenderizing agents and time on Physicochemical textural and organoleptic properties of squid (Todarodes pacificus) muscle

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Abstract This study aimed to investigate the chemical, physical, textural, and sensory properties of the squid (Todarodes pacificus) muscle during different tenderization agents (yeast, milk, and mineral water) and times (3, 6, 12, and 24 h). The results of the analyses showed that different treatments and their durations affected the dry matter, ash, lipid, and crude protein content of the squid. According to sodium dodecyl sulfate–polyacrylamide gel electrophoresis results, it was observed that there was a slight decrease in band intensities based on different treatments and their durations. However, no significant changes were observed in myosin actin and paramyosin bands. It was found that the hardness (359.7 N), cohesiveness (0.63), and gumminess (233.2 N) parameters increased at the 6th hour, decreased at the 12th hour, and increased again at the 24th hour of the treatment. According to the scanning electron microscopy results, the most affected groups by the application and duration were found to be the mineral water group at the 12th and 24th hours, and the milk group at the 24th hour. Fibers in all marinated squid muscles were observed to spring significantly more compared to the positive and negative control groups. The taste score was found to be significantly higher in the group treated with yeast for 3 h and it was evaluated by the panelists as the most delicious squid among all of the groups. As a result of the study, it was determined that the chemical, physical, and sensory properties of squid could be improved by marinating with yeast, milk, and mineral water for different durations.