アオリイカの外套筋の死後硬直に及ぼす保存温度の影響

概要

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The influence of temperature on suppression of cadaveric stiffness and contraction ratio in the mantle muscle of the oval squid, preserved at 0 (storage in ice), 5, 10, 15, and 20℃ was investigated. The temperature dependence of myofibril (Mf) Mg^<2+>-ATPase activity and sarcoplasmic reticulum (SR) Ca^<2+>-ATPase activity of the mantle muscles of instantaneously killed oval squid were also measured. The contracting percentages of the circular-shaped mantle muscles linearly increased during the initial phase at all temperatures, and then gradually increased. The minimum level of the velocity of contracting muscles showed at 10℃, followed by 15℃, 20℃, 5℃, and 0℃. Mf Mg^<2+>-ATPase and SR Ca^<2+>-ATPase activity of the muscles were increased with the increase in the reaction temperature. These phenomena are in contrast to change in the velocity of contracting muscles dependent on the storage temperature.
日本食品化学学会の論文
2009-04-28