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    • 7. 发明申请
    • CONCENTRATED AND ODORLESS OMEGA 3 FATTY ACIDS
    • 浓缩和无味的OMEGA 3脂肪酸
    • WO2007149577A2
    • 2007-12-27
    • PCT/US2007014656
    • 2007-06-21
    • PROCTER & GAMBLEMILLER LARRY EUGENELUHADIYA ASHOK PREMCHANDMEHANSHO HAILE
    • MILLER LARRY EUGENELUHADIYA ASHOK PREMCHANDMEHANSHO HAILE
    • C11C3/003A23K20/158A23L33/12C11C3/02C11C3/10
    • A blend of triglycerides having the general formula CH2(OOC-R1)-CH(OOC-R2)-CH2(OOC-R3), wherein at least about 50% of the R1, R2 and R3 groups have a chain length of C19 or more. The blend of triglycerides hasve less than about 50 parts per billion (ppb) of trimethyl amine, that is, they are substantially odor free. Also provided is a process for preparing an enriched blend of triglycerides by taking an oil comprising a mixture of polyunsaturated fatty acids and reacting the oil with a lower alcohol to form a mixture of esters. The mixture of esters is then distilled to remove a portion of the esters having a chain length of about C18 and below to form an enriched stream of enriched esters having at least about 50% of the esters with chain length of about C20 or more. The enriched stream of esters is then reacted with glycerine to form a triglyceride mixture, wherein the triglyceride mixture has less than about 10%, by weight of diglycerides and less than about 5%, by weight monoglycerides. The triglyceride mixture preferably comprises less than 5% diglyceride and less than 1 % monoglyceride. The triglyceride mixture most preferably comprises less than 2.5 % diglyceride and less than 0.2 % monoglyceride. Finally, the triglyceride mixture may optionally be treated by water washing, bleaching, evaporation, steam stripping and mixtures of these, to remove residual free fatty acids, aldehydes, color bodies, odor bodies, peroxides and esters.
    • 具有通式CH 2(OOC-R 1)-CH(OOC-R 2)-CH 2(OOC-R 3))的甘油三酯的混合物,其中至少约50%的R 1,R 2和R 3基团具有C 19的链长或 更多。 甘油三酯的共混物具有小于约50ppm(ppb)的三甲胺,即它们基本上无臭。 还提供了通过摄取含有多不饱和脂肪酸的混合物的油并使油与低级醇反应以形成酯的混合物来制备甘油三酸酯的富集共混物的方法。 然后将酯的混合物蒸馏以除去链长约为C18或更低的一部分酯,以形成具有至少约50%链长为约C20或更多的酯的富集酯的富集物流。 然后将富集的酯流与甘油反应以形成甘油三酯混合物,其中甘油三酯混合物的甘油三酯混合物的重量少于甘油二酯的约10重量%,小于约5重量%的单酸甘油酯。 甘油三酯混合物优选包含少于5%的甘油二酯和小于1%的单酸甘油酯。 甘油三酯混合物最优选包含少于2.5%的甘油二酯和小于0.2%的单酸甘油酯。 最后,甘油三酯混合物可以任选地通过水洗,漂白,蒸发,汽提和它们的混合物来处理,以除去残留的游离脂肪酸,醛,着色体,气味体,过氧化物和酯。