| abstract |
The present invention provides a process for producing unsaturated fatty acids having low trans unsaturated fatty acid content and saturated fatty acid content, high fatty acid purity, and excellent hue. The following steps (A) to (C): (A) The process of hydrolyzing fats and oils using fat and oil hydrolase, (B) removing the solid acid by fractionation from the hydrolysis reaction product, and (C) removing glyceride from the hydrolysis reaction product by distillation, A process for producing unsaturated fatty acids. [Selection figure] None |