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《Journal of Dalian Polytechnic University》 2010-02
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Preparation of conjugated linolenic acid by alkali isomerization

MA Hong-chao1,2,CHU Ting-ting1,ZHANG Rui1,MA Chun1,DONG Xiao-li1,LIU Ming2,WU Wen-zhong2(1.School of Chemistry Engineering & Material,Dalian Polytechnic University,Dalian 116034,China;2.Dalian Innobioactives Company Limited,Dalian 116600,China)  
Conjugated linolenic acids were prepared by alkali isomerization with linseed oil(including 53.5% linolenic acid) as raw material,KOH as catalyst,and glycol as solvent.The products were characterized by gas chromatography.The results showed the maximal yield of 52.70% when alkali /oil ratio is 3,solvent/oil ratio is 20,reaction time is 40 min,and reaction temperature is 180 ℃.The preparation can be carried out in homogeneous temperature system.
【CateGory Index】: TQ645.6
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