PROBLEM TO BE SOLVED: To provide lactic acid bacteria fermentation promoters suitable for use in food production.SOLUTION: The present invention provides fermentation promoters for Streptococcus thermophilus containing a solution that is prepared by bringing about a sugar coloring reaction by exposing an alkali solution containing reducing sugar to a temperature condition of 5°C or more and 135°C or less, and fermentation promoting methods for Streptococcus thermophilus and production methods for fermented foods such as fermented milk, using the fermentation promoters.SELECTED DRAWING: Figure 4COPYRIGHT: (C)2019,JPO&INPIT【課題】食品製造における利用に適した乳酸菌発酵促進剤の提供。【解決手段】還元糖を含むアルカリ溶液を5℃以上135℃以下の温度に曝露して糖の着色反応を引き起こすことにより調製される溶液を含む、ストレプトコッカス・サーモフィルス用の発酵促進剤及びその製造方法、並びにその発酵促進剤を用いたストレプトコッカス・サーモフィルス用の発酵促進方法及び発酵乳等の発酵食品の製造方法。【選択図】図4
