| abstract |
A conjugated fatty acid typified by cis-9, trans-11 conjugated linoleic acid seemingly having a high physiological activity is selectively and highly efficiently produced by conjugating an unsaturated fatty acid having at least two double bonds with the use of viable cells, dead cells or a cell extract of one or more bacteria having a conjugation ability selected from the group consisting of Lactobacillus oris, Lactobacillus pontis, Lactobacillus panis, Bifidobacterium breve, Bifidobacterium bifidium, Bifidobacterium infantis and Bifidobacterium pseudocatenulatum or an enzyme obtained therefrom. |