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    • 2. 发明授权
    • DHA enrichment process
    • DHA浓缩过程
    • US07906666B2
    • 2011-03-15
    • US12086771
    • 2006-12-19
    • Florence MarciacqMathieu SoulayresBernard Freiss
    • Florence MarciacqMathieu SoulayresBernard Freiss
    • C11B3/00
    • C11B1/104A23D9/007C11B7/005C11C1/005C11C1/08C11C3/003Y02P20/544
    • The present invention relates to a continuous process of DHA enrichment of a solution of fatty acids or derivatives thereof comprising less than 50% of DHA relative to the total fatty acids of the solution or to derivatives thereof, wherein the process comprises the steps of (a) simultaneous countercurrent injection, into a fractionation column, of the flow of the solution of fatty acids or of derivatives thereof and of a flow of supercritical CO2 at a temperature of less than or equal to 70° C. and at a pressure of between 100×105 Pa and 160×105 Pa, wherein the level of supercritical CO2 is between 30 and 70, and (b) recovery of the residue comprising at least 50% of DHA relative to the total fatty acids of the residue or to derivatives thereof, wherein the DHA yield is greater than or equal to 60%.
    • 本发明涉及DHA富集脂肪酸或其衍生物的方法的连续方法,其包含相对于溶液的总脂肪酸或其衍生物的小于50%的DHA,其中该方法包括以下步骤:(a )在小于或等于70℃的温度和在100℃之间的压力下同时逆流注入脂肪酸或其衍生物和超临界CO 2流的流动的分馏塔中 ×105Pa和160×105Pa,其中超临界CO 2的水平在30和70之间,和(b)相对于残基或其衍生物的总脂肪酸,回收包含至少50%的DHA的残余物, 其中DHA产率大于或等于60%。