Enzymatic Synthesis of Surface Active and Biodegradable Glucosaminide Fatty Acid Esters
スポンサーリンク
概要
- 論文の詳細を見る
Methyl, ethyl and butyl β-D-glucosaminide 6-O-fatty acid esters were prepared by the novel direct transglycosylation reaction of chitosan with methanol, ethanol and butanol using resting cells of the chitosan-assimilating strain, Penicillium sp. KS018 as the enzyme source of exo-β-D-GlcNase followed by the transesterification reaction with the fatty acid methyl ester using lipase. Transesterification by the lipase depended on enzyme origin, and reaction conditions, such as temperature and reaction pressure. Methyl, ethyl and butyl β-D-glucosaminide 6-O-fatty acid monoesters demonstrated excellent surface activity in aqueous solution. The antimicrobial properties of the 6-O-dodecanoyl-glucosaminides were stronger compared to dodecyl β-D-glucoside. The methyl, ethyl and butyl glucosaminide 6-O-fatty acid esters were all readily biodegradable by activated sludge.
- 日本油化学会の論文
- 2003-11-01
著者
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Matsumura Shuichi
Department of Architecture, Graduate School of Engineering, the University of Tokyo
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TOSHIMA Kazunobu
Department of Applied Chemistry, Faculty of Science and Technology, Keio University
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SAGOH Tooru
Department of Applied Chemistry, Faculty of Science and Technology, Keio University
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KAWADA Kazuo
School of Science, Kitasato University
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Toshima Kazunobu
Department Of Applied Chemistry Faculty Of Science And Technology Keio University
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Sagoh Tooru
Department Of Applied Chemistry Faculty Of Science And Technology Keio University
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Kawada Kazuo
School Of Science Kitasato University
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Matsumura S
Department Of Applied Chemistry Faculty Of Science And Technology Keio University
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Matsumura Shuichi
Department Of Applied Chemistry Faculty Of Science And Technology Keio University
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