期刊
CURRENT OPINION IN COLLOID & INTERFACE SCIENCE
卷 12, 期 4-5, 页码 221-231出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.cocis.2007.07.002
关键词
organogel; oleogel; oil gel; triacylglycerol (TAG, triglyceride); diacylglycerol (DAG, diglyceride); monoacylglycerol (MAG, monoglyceride); fatty acid; fatty alcohol; wax; sorbitan monostearate (SMS); lecithin; sorbitan tristearate (STS); phytosterol; oryzanol; self assembly; crystallisation
The structure of many food products is based on networks of crystalline triacylglycerol (TAG) hardstock. These contain high levels of saturated fatty acids, which are among the factors contributing to cardiovascular diseases. Therefore it would be desirable to have alternative routes to structure edible oils. This review starts with general structuring concepts and building blocks which can be found in organic solvents. Subsequently it focuses on the field of edible oil structuring. Among the alternative structuring agents that have received attention in recent years are mono- and diglycerides, fatty acids, fatty alcohols, waxes, wax esters, sorbitan esters, and phytosterols. It is found that the most efficient structuring agents form small, preferably non-spherical particles. Mixing of components often provides superior structuring over use of pure components. Straightforward screening of pure components might be feasible. However, the number of options provided by mixing requires guided screening, for which understanding of the underlying mechanisms is essential. Analytical methods helping to characterise oil structuring and elucidate the structuring mechanisms are discussed. (C) 2007 Elsevier Ltd. All rights reserved.
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