COMPETITIVE ADSORPTION AND PROTEIN SURFACTANT INTERACTIONS IN OIL-IN-WATER EMULSIONS

被引：0
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作者：
DICKINSON, E
机构：
来源：
ACS SYMPOSIUM SERIES | 1991年 / 448卷
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中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Competitive adsorption in oil-in-water emulsions has been investigated for binary protein/protein and protein/surfactant systems. Analysis of aqueous phase composition in emulsions (10 wt % n-tetradecane, pH 7) indicates fast reversible adsorption for alpha-s1 -casein/beta-casein, but slow irreversible adsorption for beta-casein/alpha-lactalbumin, beta-casein/beta-lactoglobulin and alpha-lactalbumin/beta-lactoglobulin. Surface viscosity data at the planar oil-water interface give further information on milk protein competitive adsorption. Interfacial tensions and viscosities are reported for a mixture of a non-ionic surfactant, octaoxyethylene dodecyl ether (C12E8), and sodium caseinate; and stability data are presented for emulsions made with C12E8 + caseinate. Differences between C12E8 and the anionic surfactant, sodium dodecyl sulphate (SDS), are noted.
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页码：114 / 129
页数：16
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