Interfacial Behavior of Fatty-Acylated Sericin Prepared by Lipase-Catalyzed Solid-Phase Synthesis
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概要
- 論文の詳細を見る
Fatty-acylated sericin {1:0.7 molar ratio of sericin (Mr 18,700) to oleic acid} was prepared by lipase-catalyzed solid-phase synthesis in n-hexane containing oleic acid to endow sericin with interfacial properties. Acylation with oleic acid was confirmed by 1H-NMR. The fatty-acylated sericin exhibited superior emulsifying activity index and emulsion stability in the presence of 0–0.5 M NaCl, in a temperature range of 30–80 °C and pH range of 2–7, as compared with the control sericin. The fatty-acylated sericin (1:0.4 molar ratio) prepared by using low-molecular-weight sericin (Mr 5,000) also exhibited superior emulsifying properties. The affinity of the fatty-acylated sericin to a hydrophobic surface as evaluated by a biomolecular interaction analyzer was about twice as much as that of the control sericin. The fatty-acylated sericin showed retarded water vaporization, similar to the control sericin, indicating good retention of moistness, and was adsorbed four times as much to defatted wool with little desorption as compared with the control sericin.
- 社団法人 日本農芸化学会の論文
- 2006-01-23
著者
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TAKAHASHI Koji
Department of Pediatrics, Nihon Kokan Hospital
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YOSHIDA Tadashi
Department of Pathophysiology, Faculty of Pharmaceutical Sciences, Hoshi University
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Tanaka Rie
Department of Radiological Technology, School of Health Sciences, College of Medical, Pharmaceutical
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Yokote Yoshiko
Department Of Chemistry Faculty Of Science Josai University
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Takahashi K
School Of Life Sciences Tokyo Univ. Of Pharmacy And Life Sciences
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HATTORI Makoto
Department of Applied Biological Science, Faculty of Agriculture, Tokyo University of Agriculture an
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Yoshida Tadashi
Dep. Of Applied Biological Sci. Tokyo Univ. Of Agriculture And Technol.
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OGINO Masato
Department of Applied Biological Science, Faculty of Agriculture, Tokyo University of Agriculture an
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Tanaka Rie
Department Of Applied Chemistry Graduate School Of Engineering Osaka City University
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Ogino Masato
Department Of Applied Biological Science Faculty Of Agriculture Tokyo University Of Agriculture And
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Hattori M
Department Of Applied Biological Science Faculty Of Agriculture Tokyo University Of Agriculture And
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Takahashi K
Dep. Of Applied Biological Sci. Fac. Of Agriculture Tokyo Univ. Of Agriculture And Technol.
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Hattori Makoto
Department Of Applied Biological Science Tokyo University Of Agriculture And Technology
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Yoshida Tadashi
Department Of Applied Biological Science Faculty Of Agriculture Tokyo University Of Agriculture And
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Tanaka Rie
Department Of Applied Biological Science Faculty Of Agriculture Tokyo University Of Agriculture And
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Takahashi Koji
Department Of Chemistry And Chemical Engineering Yamagata University
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Hattori Makoto
Department Of Agricultural Chemistry The University Of Tokyo
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Takahashi Koji
Department Of Aeronautics And Astronautics Kyushu University
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Yoshida Tadashi
Department Of Agricultural Chemistry Faculty Of Agriculture Kyoto University:(present Office)frontie
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TAKAHASHI Koji
Departent of Materials Science and Engineering,Faculty of Engineering,Yamagata University
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