Free Amino Acids, Creatine, ATP Related Compounds, Trimethylamine Oxide, and Inorganic Ions of the Muscle Extract of Fishes Caught in the Amazon River

*1Department of Food Science and Technology , Tokyo University of Fisheries, Konan, Minato, Tokyo 108-8477, Japan *2lwate Fisheries Technology Center , Heida, Kamaishi, Iwate 026-0001, Japan *3Universidade Federal do Ceara , Campus Universitario do Pici, CEP 60356-000, Fortaleza, Ceara, Brazil *4Instituto Nacional de Pesquisa da Amazonia , Alameda Cosme Ferreira, 1756, Manaus-AM, Brazil *5School of Marine Science and Technolo gy, Tokai University, Orido, Shimizu, Shizuoka 424-8610, Japan