1. Japan Marine Oil Association; 151-0062 Tokyo Japan
2. ; Japan Food Research Laboratories Tama Laboratory; 6-11-10 Nagayama 206-0025 Tama-shi, Tokyo Japan
3. ; Fisheries and Aquaculture; SINTEF; N-7034 Trondheim Norway
4. ; SINTEF Unimed MR-Center; N-7034 Trondheim Norway
5. ; Department of Food Science and Technology; Tokyo University of Fisheries; 108-8477 Tokyo Japan