Oleogels and Their Contribution in the Production of Healthier Food Products: The Fats of the Future

Sergio Cabrera¹, John Rojas^1, and Alfredo Moreno¹

¹Department of Food, College of Pharmaceutical and Food Sciences, University of Antioquia, street 67 # 53-108, lab 5-108, Medellín, Colombia

Cite this paper:
Sergio Cabrera, John Rojas and Alfredo Moreno. Oleogels and Their Contribution in the Production of Healthier Food Products: The Fats of the Future. Journal of Food and Nutrition Research. 2020; 8(4):172-182. doi: 10.12691/jfnr-8-4-3

Abstract

Consumption of animal fats, calorie-dense and simple carbohydrate-rich diets along with a more sedentary life style have triggered the outcome of cardiovascular and obesity disorders. A worthy alternative is to replace these of saturated fats with healthier ingredients in a texturized oleogel. Oleogelation promises to decrease the incorporation of harmful fats granting good mechanical properties to food products by creating crystalline colloidal networks upon contact with a gelator. Thus, unsaturated fatty acids from oils are thus trapped and retained forming gels having microscopic self-assembled crystalline particles of different shapes. Currently, most oleogels have been developed with vegetable oils by applying gelators such as polymers, partial glycerides, waxes and fatty acids improving the mechanical and thermal properties of food products. This review is focused on the progress regarding oleogelation and the physical interactions responsible for the intermolecular conformation, physical properties, additives and microstructure required for the substitution of harmful saturated and trans fats. Likewise, the most recent advances, regarding their potential functionality and applications as the fats of the future are also discussed.

Keywords:
food texturing gelators oil migration oleogels vegetable oils

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