Encapsulation of functional lipophilic components in surfactant-based colloidal delivery systems: Vitamin E, vitamin D, and lemon oil

被引:104
作者
Ziani, Khalid [1 ]
Fang, Yuan [2 ]
McClements, David Julian [1 ]
机构
[1] Univ Massachusetts, Dept Food Sci, Chenoweth Lab, Amherst, MA 01003 USA
[2] Pepsico, New York, NY USA
基金
美国农业部;
关键词
Nanoemulsions; Emulsions; Microemulsions; Vitamin D-3; Vitamin E acetate; Lemon oil; Tween; Micelles; Encapsulation; Delivery; Stability; LIPID NANOPARTICLES; ALPHA-TOCOPHEROL; D DEFICIENCY; EMULSION; NANOEMULSIONS; BIOAVAILABILITY; NUTRACEUTICALS; MICROEMULSIONS; PRINCIPLES; PRODUCTS;
D O I
10.1016/j.foodchem.2012.03.027
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
The fabrication and stability of surfactant-based colloidal delivery systems (microemulsions and emulsions) suitable for encapsulation of lipophilic active agents (vitamins and flavours) was investigated. An emulsion titration method was used to study the influence of surfactant type (Tween 20, 60 and 80) and oil type (Vitamin E. vitamin D-3 and lemon oil) on the incorporation of lipophilic components into surfactant micelles. Oil-in-water emulsions were formed and then different amounts were titrated into surfactant micelle solutions. The influence of surfactant-to-oil ratio (SOR) and oil type on the formation of colloidal dispersions was examined using dynamic light scattering and turbidity measurements. SOR, oil type, and surfactant type had a pronounced influence on the nature of the colloidal dispersions formed. Microemulsions could not be formed using vitamin Dot E in 1% Tween solutions, due to the relatively large size of the lipophilic molecules relative to the hydrophobic interior of the surfactant micelles. On the other hand, microemulsions could be formed from lemon oil at relatively high SORs. There was not a major impact of non-ionic surfactant type (Tween 20, 60 or 80) on the formation and properties of the colloidal dispersions. However, Tween 20 micelles did appear to be able to solubilise less lemon oil than Tween 60 or 80 micelles, presumably due to their smaller dimensions. This study provides useful information for the rational design of food grade colloidal delivery systems for encapsulating flavour oils, oil-soluble vitamins, and other functional lipids for application in foods and beverages. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1106 / 1112
页数:7
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