Method for preparing n-3PUFA ocean glycerin ester by enzymatical process
2007
A method for preparing n-3PUFA marine glyceride through adopting enzyme method includes following steps: refined fish oil is made into n-3PUFA condensate through saponification, acidification and urea adduct method; lipase catalyzes the synthesis reaction between n-3PUFA and glycerol; n-3PUFA marine glyceride is extracted and separated; moreover, n-3PUFA is effectively concentrated in glyceride to be made into functional products which can prevent and cure cardiovascular diseases and nourish the brain and improve intelligence. The raw material of the invention, n-3PUFA, is extracted from natural fish oil, thereby being safe and effective; during production, nitrogen protection is adopted without adding synthetic antioxidant, thereby effectively preventing oxidation of n-3PUFA; with scientific and reasonable technique, the invention completes synthesis by means of biological enzyme method along with high esterification degree of reaction, higher utilization rate of raw material and easily controlled reaction process; therefore, the invention has wide market prospect.
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