< Topic >The occasion where the defatted milk is used for production of the fermented milk, the method of producing the fermented milk which possesses sufficient hardness regardless of the condition of heating processing of the defatted milk, is offered.SolutionsIn 1st deoxygenation process, the oxygen density which is included in the defatted milk is decreased, the defatted milk after the aforementioned 1st deoxygenation process heats is sterilized in 1st sterilization process, the moisture is removed from the defatted milk after the aforementioned 1st sterilization process in moisture removal process, yogurt mix is manufactured in yogurt mixed manufacturing process, making use of the defatted milk after the description above moisture removing, the description above the yogurt mix which manufactures ferments in fermentation process.< Selective figure >Figure 1【課題】発酵乳の製造に脱脂乳を用いる際に,脱脂乳の加熱処理の条件にかかわらず,十分な硬さを有する発酵乳を製造する方法を提供する。【解決手段】第1の脱酸素工程において,脱脂乳に含まれる酸素濃度を低減し,第1の殺菌工程において,前記第1の脱酸素工程の後の脱脂乳を加熱殺菌し,水分除去工程において前記第1の殺菌工程の後の脱脂乳から水分を除去し,ヨーグルトミックス調製工程において,前記水分除去後の脱脂乳を用いてヨーグルトミックスを調製し,発酵工程において,前記調製したヨーグルトミックスを発酵させる。【選択図】図1
