Council Regulation (EC) No 2051/98 of 24 September 1998 imposing a definitive anti-dumping duty on imports of monosodium glutamate originating in Brazil and Vietnam, amending Regulation (EC) No 81/96 in respect of anti-dumping measures concerning imports of monosodium glutamate originating in the Republic of Korea and Taiwan and terminating the proceeding in respect of imports of monosodium glutamate originating in the United States of America and Indonesia