Conjugated linoleic acid (CLA) is a term used to describe positional and geometric isomers of linoleic acid with conjugated double bonds, in which c-9, t-11CLA and t-10, c-12CLA isomers have been shown to have a variety of biological activities. Studies indicated that CLA was also physiologically important to our health including anti-arteriosclerosis, anti-oxidation, immune enhancing properties, reduction in body fat accretion, muscle increasing and so on. Hence, it is necessary to establish rapi...