Thermal denaturation and autolysis profiles of myofibrillar proteins of mantle muscle of jumbo squid Docidicus gigas.
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- KONNO KUNIHIKO
- Graduate School of Fisheries Sciences, Hokkaido University
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- YOUNG-JE CHO
- Department of Food Science and Technology, Pukyong National University
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- YOSHIOKA TAKEYA
- Graduate School of Fisheries Sciences, Hokkaido University Hokkaido Industrial Technology Center
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- SHINHO PARK
- Graduate School of Fisheries Sciences, Hokkaido University
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- SEKI NOBUO
- Graduate School of Fisheries Sciences, Hokkaido University
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Jumbo squid was very similar to Japanese common squid in terms of myofibrillar Ca2+-, Mg2+- and K+(EDTA)-ATPase activities. Myofibrils of jumbo squid were significantly stabilized upon addition of Ca2+ and destabilized by increasing KCl concentration for heating. Incubation of muscle homogenate of jumbo squid induced a selective cleavage of myosin into two major fragments and the cleavage was inhibited by EDTA. Autolysis was prominent at and above 0.3 M NaCl where myosin filaments dissolve. The enzyme involved in the autolysis was proved to be unstable showing maximal autolysis rate at 25°C. Washing the homogenate partially reduced the autolysis activity.
収録刊行物
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- Fisheries science
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Fisheries science 69 (1), 204-209, 2003
公益社団法人 日本水産学会
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詳細情報 詳細情報について
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- CRID
- 1390282679406425856
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- NII論文ID
- 130003904019
- 80015836806
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- NII書誌ID
- AA10993718
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- COI
- 1:CAS:528:DC%2BD3sXhvFemurk%3D
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- ISSN
- 14442906
- 09199268
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- NDL書誌ID
- 6450845
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可