Phase Behavior and Hydrated Solid Structure in Lysophospholipid/Long-chain Alcohol/Water System and Effect of Cholesterol Addition
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概要
- 論文の詳細を見る
Phase behavior in lysophospholipid/long-chain alcohol/water system at 80°C was investigated using hexanol and oleyl alcohol as the long-chain alcohol. Similarly to hydrophilic surfactant, a micellar phase in a lysophospholipid/water system transitioned to a lamellar liquid-crystalline phase by the addition of long-chain alcohol. In the oleyl alcohol system the lamellar liquid-crystalline phase was observed in wider region compared to the hexanol system. The effect of cholesterol addition on the phase behavior was also studied. The region of liquid-crystalline phase and (reverse micellar + liquid-crystalline + water) phase shifted towards higher lysophospholipid concentrations. The structure of hydrated solid as well as the transition between lamellar liquid-crystalline phase and hydrated solid was analyzed by X-ray scattering measurement and differential scanning calorimetry measurement. It was revealed that the hydrated solid was α-type crystals with lamellar structure. The hydrated solid (gel)-liquid crystal transition temperature gradually decreased with increasing oleyl alcohol concentration and the decrement was enhanced by the addition of cholesterol.
- 日本油化学会の論文
著者
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Aramaki Kenji
Graduate School Of Environment And Information Science Yokohama National University
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Konno Yoshikazu
Research & Development Division, KOSÉ Corporation
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Naito Noboru
Research & Development Division, KOSÉ Corporation
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Yoshimura Akio
Graduate School of Environment and Information Sciences, Yokohama National University
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Naito Noboru
Research Development Division, KOSE Corporation
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