A - Human Necessities – 23 – K
Patent
A - Human Necessities
23
K
A23K 1/175 (2006.01) A23K 1/18 (2006.01) C07C 51/41 (2006.01)
Patent
CA 2357899
A method for the preparation of free-flowing calcium salts of highly unsaturated fatty acids, which includes the steps of: (a) providing a fatty acid feedstock consisting essentially of: (i) from about 50 to about 95% by weight of unsaturated C:16-C:22 fatty acids; (ii) from about 5 to about 40% by weight of saturated C:14-C:22 fatty acids; and (iii) no more than about 6% by weight of moisture, insolubles and unsaponifiables, with no more than about 20% by weight of the unsaturated feedstock being in the form of glycerides; (b) adding to the unsaturated feedstock from about 1.0 to about 2.5 equivalents of calcium oxide relative to the unsaturated feedstock, so that a reactive admixture is formed; and (c) adding to the reactive admixture from about 2 to about 5 equivalents of water relative to the calcium oxide, so that the calcium oxide hydrates and neutralizes the fatty acids to form the calcium salts; provided that when less than 1.75 equivalents of calcium oxide is added, the unsaturated feedstock comprises at least 25% by weight of the saturated fatty acids and is heated to a temperature above its melting point before the step of adding the calcium oxide. Highly unsaturated fatty acid calcium salts prepared by this method are also disclosed.
Frederiksen Eiler D.
Strohmaier George K.
Norel Acquisition Corp.
Oyen Wiggs Green & Mutala Llp
Virtus Nutrition Llc
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