Structure of Three-Phase Emulsion Stabilized with Phospholipid Bilayer-Assembly and Its Stability

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The present review concerning the thermal properties of phospholipid bilayers, solubilization of hydrocarbon in the bilayers, and emulsification of hexadecane with the bilayers, has been described by combing our recent publications and some of our fresh data in regard to the bilayer properties. Phospholipid bilayers of dimyristoylphosphatidylcholine, dimyristoylphosphatidylglycerol sodium salt, and dimyristoylphosphatidylglycerol ammonium salt were investigated. In the thermal properties of phospholipid bilayers, two new transition temperatures of T<SUP>*</SUP> and T<SUB>I</SUB>, which were found by us, were introduced other than the main transition of T<SUB>m</SUB>. Dispersion of phospholipids took a long period of time to establish the favorable hydration of bilayer-assemblies, and to transform from L<SUB>α</SUB> phase into a new gel phase, transition temperature of which was expressed by T<SUB>I</SUB>. From the solubilization studies of octane and hexadecane, we showed that the locus of solubilization for hydrocarbon in the phospholipid bilayers turned out to occur in the palisade layers, being dissimilar in that of the usual surfactant bilayers. Finally, we showed that emulsion of hexadecane prepared with these lipid dispersions at 25°C thermodynamically took the three-phase structure composed of oil phase, emulsifier phase of bilayers, and water phase, and confirmed that it was more stable than the thermal stability of emulsion whose surface was adsorbed by monolayer.

収録刊行物

  • Journal of oleo science

    Journal of oleo science 51(5), 285-296, 2002-05-01

    Japan Oil Chemists' Society

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各種コード

  • NII論文ID(NAID)
    10008224158
  • NII書誌ID(NCID)
    AA11503337
  • 本文言語コード
    JPN
  • 資料種別
    REV
  • ISSN
    13473352
  • NDL 記事登録ID
    6140655
  • NDL 雑誌分類
    ZP25(科学技術--化学・化学工業--油脂類)
  • NDL 請求記号
    Z54-J571
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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