Steric Effects on Interaction of Tea Catechins with Lipid Bilayers(Food & Nutrition Science)
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概要
- 論文の詳細を見る
Interaction of tea catechins with lipid bilayers has been investigated with liposome systems. Tea catechins are classified into cis-type and trans-type from the configuration of the two hydrogens at the 2 and 3 positions on the C-ring. The amount of trans-type catechins incorporated into liposomes was less than that of the respective cis-type catechins. Furthermore, the order of the partition coefficients of catechins in an n-octanol/PBS system is the same as that of the amount incorporated into liposomes. These results indicate that in addition to the number of hydroxyl groups on the B-ring and the presence of the galloyl moiety, the stereochemical structure of the C-ring also governs the hydrophobicity and the affinity for lipid bilayers. Trans-type catechins with the galloyl moiety were located on the surface of the lipid bilayer, as well as cis-type catechins with the galloyl moiety, and perturbed the membrane structure. These different stereochemical structures should influence the affinity for lipid bilayers, the alteration of membrane structures, and the difference in the order of the biological activities.
- 社団法人日本農芸化学会の論文
- 2001-12-23
著者
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KUMAZAWA Shigenori
Department of Food and Nutritional Sciences, and Global COE Program, University of Shizuoka
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NAKAYAMA Tsutomu
Department of Food and Nutritional Sciences, and Global COE Program, University of Shizuoka
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Kumazawa S
Laboratory Of Functional Food Science And Global Coe Program In The 21st Century School Of Food And
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Kumazawa S
School Of Food And Nutritional Sciences University Of Shizuoka
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Kumazawa Shigenori
静岡県立大学 食品栄養科学部
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Kumazawa Shigenori
Mcc-group Science & Technology Research Center Mitsubishi Chemical Corporation
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KAJIYA Katsuko
Department of Food and Nutritional Sciences, University of Shizuoka
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Kajiya Katsuko
Laboratory Of Functional Food Science And Global Coe Program In The 21st Century School Of Food And
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Kumazawa Shigenori
School Of Food And Nutritional Sciences And Coe Program Of 21st Century University Of Shizuoka
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Nakayama T
Laboratory Of Functional Food Science And Global Coe Program In The 21st Century School Of Food And
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Kumazawa Shigenori
Department Of Food And Nutritional Sciences And Global Coe Program University Of Shizuoka
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Nakayama Tsutomu
Department Of Food And Nutritional Sciences And Global Center Of Excellence (coe) Program University
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NAKAYAMA Tsutomu
Department of Agricultural Chemistry, The University of Tokyo
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