PROBLEM TO BE SOLVED: To provide a taste improving agent for acidic food and drink, capable of reducing acidity and acid smell specific to an acid preparation contained in acidic food and drink.SOLUTION: The taste improving agent for acidic food and drink contains a lactic fermentation extract obtained by fermenting a yeast extract with lactobacillus, the lactic fermentation extract including 7.5 (w/w)% or more of lactic acid per yeast extract solid content.COPYRIGHT: (C)2013,JPO&INPIT【課題】酸性飲食品に含まれる酸剤特有の酸味、酸臭を抑制することができる酸性飲食品用呈味改善剤を提供すること。【解決手段】酵母エキスを乳酸菌で発酵させて得られる、酵母エキス固形分あたり7.5(w/w)%以上の乳酸を含む乳酸発酵酵母エキスを含有することを特徴とする酸性飲食品用呈味改善剤。【選択図】 なし