The nutritional values are expressed as percent (%) by mass of total fat. Stand oil is generated by heating linseed oil near 300 °C for a few days in the complete absence of air. Under these conditions, the polyunsaturated fatty esters convert to conjugated dienes, which then undergo Diels-Alder reactions, leading to crosslinking.
How is flaxseed oil extracted?
The very high content of alpha-linolenic acid content of flaxseed make it susceptible to autoxidation, leading to deterioration of quality, therefore flaxseed oil extraction has been done by cold pressing and solvent extraction methods.
Can flaxseed oil be used in food industry?
Besides, different proportions of anhydrous butterfat, palm stearin, and flaxseed oil were also used to prepare low-trans spreadable fat with functions such as a-linolenic acid (Shin, Akoh, & Lee, 2010). 8. Conclusion and future perspectives As mentioned above, flaxseed oil can be widely used in food industry.
What is food-grade flaxseed oil?
Food-grade flaxseed oil is cold-pressed, obtained without solvent extraction, in the absence of oxygen, and marketed as edible flaxseed oil. Fresh, refrigerated and unprocessed, linseed oil is used as a nutritional supplement and is a traditional European ethnic food, highly regarded for its nutty flavor.