PFG-NMR Study for Evaluating Freezing Damage to Onion Tissue
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概要
- 論文の詳細を見る
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.
- 社団法人 日本農芸化学会の論文
- 2009-06-23
著者
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Suzuki Toru
Department Of Ubiquitous Preventive Medicine Graduate School Of Medicine The University Of Tokyo
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MIYAWAKI Osato
Department of Applied Biologicao Chemistry, The University of Tokyo
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WATANABE Manabu
Department of Pediatric Cardiovascular Surgery, The Heart Institute of Japan, Tokyo Women's Medical
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Miyawaki Osato
Department Of Agricultural Chemistry Faculty Of Agriculture The University Of Tokyo
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Watanabe Manabu
Department Of Cardiovascular Surgery Heart Institute Of Japan Tokyo Women's Medical University
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ANDO Hiroko
Department of Biological and Environmental Engineering, Graduate School of Agricultural and Life Sci
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FUKUOKA Mika
Department of Food Science and Technology, Tokyo University of Marine Science and Technology
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Ando Hiroko
Department Of Biological And Environmental Engineering Graduate School Of Agricultural And Life Scie
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Fukuoka Mika
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
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Suzuki Toru
Tokyo Univ. Marine Sci. And Technol. Tokyo Jpn
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Suzuki Toru
Department Of Biosphere And Environmental Sciences Faculty Of Environment Systems Rakuno Gakuen Univ
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Suzuki Toru
Department of Applied Electronics, Faculty of Industrial Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
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