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    • 1. 发明授权
    • Method for commercial preparation of conjugated linoleic acid
    • 共轭亚油酸的商业制备方法
    • US06420577B1
    • 2002-07-16
    • US09451710
    • 1999-12-01
    • Martin J. ReaneyYa-Dong LiuNeil D Westcott
    • Martin J. ReaneyYa-Dong LiuNeil D Westcott
    • C07C51347
    • C11C1/007C11C1/025C11C1/10C11C3/14
    • Methods for simultaneous saponification and quantitative isomerization of glyceride oils containing interrupted double bond systems, with alkali in water to yield soaps with conjugated double bond systems are disclosed. Novel methods of hydrolysis of the soap product with acid to form fatty acid-water emulsions and the breaking of those emulsions are also disclosed. The preferred embodiment uses a vegetable oil rich in linoleic acid such as sunflower or safflower oil, potassium hydroxide, phosphoric acid to neutralize the soaps, and an emulsion breaking compound which can include ethanol or other monohydric alcohol, tannins (either hydrolysable or condensed tannin) or polyethylene glycol. The reaction forms positional and geometric isomers of conjugated linoleic acid and the preferred isomer mixture is controlled by a combination of agitation, precisely controlled heating and rapid initiation and termination of the reaction. The reaction product composition may be enriched by crystallization.
    • 公开了含有间断双键体系的甘油酯油同时皂化和定量异构化的方法,其中碱在水中产生具有共轭双键体系的皂。 还公开了用酸水解皂产物以形成脂肪酸 - 水乳液和这些乳液的断裂的新方法。 优选的实施方案使用富含亚油酸的植物油,例如向日葵或红花油,氢氧化钾,磷酸中和皂,以及可包括乙醇或其它一元醇的破乳化合物,单宁(可水解或缩合的单宁) 或聚乙二醇。 该反应形成共轭亚油酸的位置和几何异构体,优选的异构体混合物通过搅拌,精确控制加热和快速引发和终止反应的组合来控制。 反应产物组合物可以通过结晶富集。