[1] MEIJO UNIV,FAC PHARM,TEMPA KU,NAGOYA,AICHI 468,JAPAN
[2] UNIV HELSINKI,DEPT APPL CHEM & MICROBIOL,FIN-00014 HELSINKI,FINLAND
[3] MARINE BIOTECHNOL INST CO LTD,SHIMIZU,SHIZUOKA 424,JAPAN
[4] AJINOMOTO CO INC,CENT RES LABS,KAWASAKI,KANAGAWA 210,JAPAN