A method for producing a manganese-rich yeast extract, which involves an extraction step of suspending manganese-containing yeast in a solution containing a carboxylic acid and/or a carboxylic acid salt and then separating the resultant suspension into a solid component and a liquid component； a manganese-rich yeast extract； a food； a composition for a culture medium for an edible lactic acid bacterium； a culture medium for an edible lactic acid bacterium； and a method for culturing an edible lactic acid bacterium.本發明係提供一種含有高量錳之酵母萃取物之製造方法，其包含萃取步驟，係使含有錳的酵母懸浮於含有羧酸(carboxylic acid)及羧酸鹽之至少任一者的溶液，並分離所獲得的懸浮液之固體成分與液體成分；並提供一種含有高量錳之酵母萃取物、食品、食品用乳酸菌培養基用組成物、食品用乳酸菌培養基及食品用乳酸菌之培養方法。
