Abstract
Changes of salt solubility protein, the Ca2+-ATPase activity in myofibrillar protein and the structure of Argopecten irradiams muscle were studied during storage at two different temperatures ( (-25±1) ℃, (-35±1) ℃) .Results showed that during frozen storage, salt solubility protein and the Ca2 +-ATPase activity in myofibrillar protein was reduction signifienatly (p<0.05) . Argopecten irradiams muscle storage at two different temperatures ( (-25±1) ℃, (-35±1) ℃) ) , salt solubility protein changed signifienatly during storage time at 1575d (p<0.05) .In the process of storage, the Ca2 +-ATPase activity in myofibrillar protein changed signifienatly at different frozen storage temperatures except storage time at 0d and 45d (p<0.05) . Structure of Argopecten irradiams muscle frozen storage temperatures at (- 35 ± 1) ℃ was more complete than the storage temperatures at (-25±1) ℃. So (-35±1) ℃ was better on protein denaturation and structure of Argopecten irradiams muscle.
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