PROBLEM TO BE SOLVED: To provide a fermented soybean milk beverage having improved stability, with suppressed aggregation.SOLUTION: The water-insoluble components of the fermented soybean milk beverage have an average particle diameter of 1.3 μm or less.COPYRIGHT: (C)2014,JPO&INPIT【課題】凝集が抑制され、安定性が向上した豆乳発酵飲料を提供すること。【解決手段】非水溶性成分の平均粒径が1.3μm以下である豆乳発酵飲料。【選択図】なし