Enzyme-catalyzed Cross-linking and Degradation of Myosin Heavy Chain in Walleye Pollack Surimi Paste during Setting
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- Takeda Hirofumi
- Laboratory of Food Biochemistry, Faculty of Fisheries, Hokkaido University
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- Seki Nobuo
- Laboratory of Food Biochemistry, Faculty of Fisheries, Hokkaido University
書誌事項
- タイトル別名
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- Enzyme-catalyzed Cross-linking and Degr
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抄録
Walleye pollack surimi paste was incubated (set) at 25, 35, 45, and 55°C in the presence of either transglutaminase (TGase) inhibitor or protease inhibitor. In the absence of inhibitors, cross-linking of myosin heavy chains and formation of 150 kDa component occurred at the same time during the incubation at 25°C.<br> Inhibition of endogenous TGase resulted in complete suppression of myosin cross-linking, while it did not suppress the formation of 150 kDa component. The cross-linking was also depressed above 45°C due to the inactivation of TGase. On the other hand, the addition of E-64, a cysteine protease inhibitor, suppressed completelyand partially the formation of 150 kDa component at 25 and 55°C, respectively. Together with these results, the 150 kDa component might be a proteolytic fragment of myofibrillar proteins, possibly myosin.<br> The proteolysis as well as the cross-linking of myosin during the setting affected the textural properties of final cooked gels.
収録刊行物
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- Fisheries science
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Fisheries science 62 (3), 462-467, 1996
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
- 1390282679406793728
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- NII論文ID
- 130003741999
- 10004866401
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- NII書誌ID
- AA10993718
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- NDL書誌ID
- 3978848
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- ISSN
- 09199268
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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