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Título : Production and concentration of monoacylglycerols rich in omega-3 polyunsaturated fatty acids by enzymatic glycerolysis and molecular distillation
Autor : García Solaesa, Ángela
Sanz Díez, Mª Teresa
Falkeborg, Mia
Beltrán Calvo, Sagrario
Guo, Zheng
Publicado en: Food Chemistry. 2016, V. 190, p. 960–967
Editorial : Elsevier
Fecha de publicación : ene-2016
ISSN : 0308-8146
Resumen : Production of monoacylglycerols (MAGs) rich in x-3 polyunsaturated fatty acids (n-3 PUFAs) was conducted through short path distillation (SPD) of an acylglycerol mixture (containing 67% MAGs) produced by enzymatic glycerolysis of sardine oil with glycerol. A stepwise SPD process in a UIC KDL 5 system (vacuum 10 3 mbar, feeding flow 1.0 mL/min) was proceeded: the first distillation performed at evaporator temperature (TE) of 110 C to remove glycerol completely and most of FFAs; and the second distillation at optimized TE 155 C; resulting in a stream distillate with 91% purity and 94% overall recovery of MAGs. This work also demonstrated that SPD is able to concentrate n-3 PUFAs in MAG form by distilling at proper TE e.g. 125 C, where n-3 PUFAs are concentrated in the residues. Moreover, this work mapped out a complete processing diagram for scalable production of n-3 PUFAs enriched MAGs as potential food emulsifier and ingredient.
Palabras clave: Monoacylglycerols (MAGs) glycerolysis
Lipozyme 435
Omega-3 polyunsaturated fatty acids (n-3 PUFAs)
Short path distillation (SPD)
URI : http://hdl.handle.net/10259/4320
Versión del editor: http://dx.doi.org/10.1016/j.foodchem.2015.06.061
Aparece en las colecciones: Artículos BIOIND

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