PFG-NMR study for evaluation of freezing damage in onion tissue
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- ANDO Hiroko
- Department of Biological and Environmental Engineering, Graduate School of Agricultural and Life Sciences, The University of Tokyo
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- FUKUOKA Mika
- Department of Food Science and Technology, Tokyo University of Marine Science and Technology
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- MIYAWAKI Osato
- Department of Food Science, Ishikawa Prefectural University
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- WATANABE Manabu
- Department of Food Science and Technology, Tokyo University of Marine Science and Technology
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- SUZUKI Toru
- Department of Food Science and Technology, Tokyo University of Marine Science and Technology
書誌事項
- タイトル別名
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- PFG-NMR Study for Evaluating Freezing Damage to Onion Tissue
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We assessed the damage to onion tissue due to freeze-thawing as the water permeability determined by using PFG-NMR and light microscopy. The water diffusion in fresh onion tissue was restricted due to cellular barriers, and the estimated water permeability was 6.99×10−6m/s. The water diffusion became considerably less restricted after freeze-thawing; the convergent value for the restricted diffusion coefficient increased and the water permeability significantly increased to 2.85×10−5 m/s. While NMR could detect a distinct change in the diffusion behavior of water molecules in freeze-thawed tissue, light microscopy revealed no significant tissue damage. These results suggest that freeze-thawing damaged the vegetable tissues primarily through destruction of the cell membrane rather than the cell wall.
収録刊行物
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- Bioscience, Biotechnology, and Biochemistry
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Bioscience, Biotechnology, and Biochemistry 73 (6), 1257-1261, 2009
公益社団法人 日本農芸化学会
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詳細情報 詳細情報について
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- CRID
- 1390282681457050368
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- NII論文ID
- 10027541897
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- NII書誌ID
- AA10824164
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- ISSN
- 13476947
- 09168451
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- NDL書誌ID
- 10266944
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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
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