The multiplication inhibiter which shows the multiplication control action of the heat-resistant acidophilic bacterium which is superior, multiplication control method of the said germ, be able to use this invention, for object ones which it tries to control the multiplication of the heat-resistant acidophilic bacterium, be able to control the multiplication of the heat-resistant acidophilic bacterium effectively, also flavor and appearance offer the satisfactory acidic beverage and its production method. The multiplication inhibiter of this invention includes the lactic acid of the effective quantity which controls the multiplication of the heat-resistant acidophilic bacterium as the active ingredient multiplication control method of this invention and production method of the acidic beverage utilize the said increase planting inhibiter.本発明は、耐熱性好酸性菌の増殖を抑制しようとする対象物に使用し、優れた耐熱性好酸性菌の増殖抑制作用を示す増殖抑制剤、該菌の増殖抑制方法、耐熱性好酸性菌の増殖を有効に抑制でき、風味や外観も良好な酸性飲料及びその製造方法を提供する。本発明の増殖抑制剤は、耐熱性好酸性菌の増殖を抑制する有効量の乳酸を有効成分として含み、本発明の増殖抑制方法、酸性飲料の製造方法は、該増植抑制剤を利用する。
