Bovine Serum Albumin-Sugar Conjugates through the Maillard Reaction: Effects on Interfacial Behavior and Emulsifying Ability
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- Rangsansarid Jongjit
- Department of Applied Biological Science, Faculty of Agriculture, Kagawa University
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- Cheetangdee Nopparat
- Department of Applied Biological Science, Faculty of Agriculture, Kagawa University
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- Kinoshita Naomi
- Department of Applied Biological Science, Faculty of Agriculture, Kagawa University
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- Fukuda Kazuhiro
- Department of Applied Biological Science, Faculty of Agriculture, Kagawa University
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説明
Bovine serum albumin (BSA) was employed as a model protein emulsifier to conjugate with aldohexose (D-glucose (Glc) or D-allose (All)) and sugar fatty acid ester (6-O-octanoyl-D-glucose (GlcC8)) through the Maillard reaction. It was found during the reaction that rate of decrease of free amino groups in BSA was almost the same for the BSA-sugar mixtures whereas browning and protein aggregation developed in the following order: Glc < All < GlcC8. It was thought that the rate of degradation of the Amadori compound could have been influenced by the OH-group stereochemistry at the C3 position of aldohexose, while denaturation of BSA by GlcC8 enhanced the browning and protein aggregation. To understand the emulsifying ability of the BSA-sugar conjugates, hexadecane-water interfacial tension and the oil droplet size of emulsions prepared by homogenizing hexadecane and aqueous solution of the conjugates were examined. BSA-GlcC8 showed greater improvement in interfacial and emulsifying activity than did BSA-Glc and -All. However, no improvement in emulsion stability was observed for any of the BSA-sugar conjugates, suggesting the weakness of the film formed at the oil droplet interface.
収録刊行物
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- Journal of Oleo Science
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Journal of Oleo Science 57 (10), 539-547, 2008
公益社団法人 日本油化学会
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詳細情報 詳細情報について
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- CRID
- 1390282679068329472
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- NII論文ID
- 130000055437
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- NII書誌ID
- AA11503337
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- ISSN
- 13473352
- 13458957
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- NDL書誌ID
- 9645797
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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
- Crossref
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- 抄録ライセンスフラグ
- 使用不可