PROBLEM TO BE SOLVED: To provide convenient and effective means for suppressing an unpleasant odor peculiar to a seafood fermentation seasoning.SOLUTION: This invention provides a seafood fermentation composition comprising nicotinic acid ethyl in the concentration range of 4-1000 ppb, and a liquid seasoning comprising the same.COPYRIGHT: (C)2015,JPO&INPIT【課題】魚介類発酵調味料特有の不快臭を抑制する簡便かつ有効な手段を提供すること。【解決手段】ニコチン酸エチルを4~1000ppbの濃度範囲で含有することを特徴とする、魚介類発酵組成物およびそれを含有する液状調味料。【選択図】なし