Study on the Preparation of Conjugated Linoleic Acid with S. salsa Seed Oil and the Determination of Molecule Structures

Abstract

Abstract: Techniques of the conjugated linoleic acid synthesied with S. salsa seed oil had been investigated in glycerine solvent system. The repeated use of glycerine solvent was also studied. Because oil hydrolysis would produce glycerine, the solvent system might be used repeatedly. The molecular geometric structures of CLA preparations were determined by GC-MS and GC-IR spectrum. CLA preparations contained mainly cis-and trans- double bonds. The CLA peak position of GC spectrum was determined by standard CLA. The results showed that S. salsa oil was a kind of good raw material. The CLA content in the fatty acid preparations could be as high as 70%. Optimal conditions were: temperature of 185～190℃, time of 2～3h, katalyst amount to oil as 20% and amount of solvent to oil in 2～3 times.

Key words: conjugated linoleic acid, Suaeda salsa, preparation, determination of molecule structure

SHI Hong-Qi, JIANG Wei, YI Dan, LIU Fa-Yi, LI Guang-You. Study on the Preparation of Conjugated Linoleic Acid with S. salsa Seed Oil and the Determination of Molecule Structures[J]. FOOD SCIENCE, 2005, 26(5): 80-84.

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Study on the Preparation of Conjugated Linoleic Acid with S. salsa Seed Oil and the Determination of Molecule Structures

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