Relationship between the Emulsion Stability and Phospholipid Distribution in the Aqueous Phases Inside and Outside of an Emulsion Droplet(Food & Nutrition)
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概要
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The distribution of phospholipids between the inside and outside of an emulsion droplet was studied in relation to the emulsion stability. The emulsion was prepared with various mixtures of phosphatidylcholine (PC) and lysophosphatidylcholine (LPC), w-decane and water containing HCl, NaCl or NaOH. ^<13>P-NMR spectra of the emulsion in the presence of lanthanide ion Pr^<3+> allowed quantitative measurement of the phospholipids in the internal and external aqueous phases, and in multilamellar vesicles. By a phospholipase A_2 treatment of PC facing the continuous aqueous phase, most of the internal phospholipids were suggested to be composed of PC. The ratio of the phospholipids inside and outside changed with the emulsifying conditions, and was well correlated with the emulsion stability. Thus, it is suggested that the phospholipid distribution in the emulsion of PC and LPC showed the change of their hydrophile-lipophile balance and of the interfacial absorption force.
- 社団法人日本農芸化学会の論文
- 1990-04-23
著者
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Chiba Kazuhiro
Tokyo University Of Agriculture And Technology Laboratory Of Bio-organic Chemistry
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Tada Masahiro
Tokyo University Of Agriculture And Technology Laboratory Of Bio-organic Chemistry
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