Study of the required HLB for the solubilization of cholesterol in aqueous solution

被引:6
作者
Schulz, PC [1 ]
Moya, S [1 ]
机构
[1] Univ Nacl Sur, Dept Quim & Ing Qca, RA-8000 Bahia Blanca, Argentina
关键词
cholesterol; solubilization; HLB; mixed micelles; emulsions; critical micelle concentration;
D O I
10.1007/s003960050213
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The solubilization of cholesterol by anionic surfactant mixtures was studied as a function of their HLB values. The relationship between the logarithm of the critical micelle concentration and the HLB value of the mixtures was not linear, which was attributed to a lack of strict additivity of the HLB values. The solubilized cholesterol/surfactant ratio was determined and it was found to be higher than that in bile salts in all the studied surfactant mixtures. Below HLB = 24, emulsions were obtained, and the remaining cholesterol was solid. Above that value, limpid solutions were obtained, giving a solubility maximum at HLB approximate to 35. The non-solubilized cholesterol was mainly in the form of lamellar mesophase.
引用
收藏
页码:87 / 91
页数:5
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