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Foods and drinks containing bifidobacteria are prepared by growing in a milk medium under aerobic conditions a mixture of bifidobacteria containing a mutant strain of oxygen-resistant Bifidobacterium and a strain of obligatory anaerobic Bifidobacterium. Presence of the oxygen-resistant strain enable

Foods and drinks containing bifidobacteria are prepared by growing in a milk medium under aerobic conditions a mixture of bifidobacteria containing a mutant strain of oxygen-resistant Bifidobacterium and a strain of obligatory anaerobic Bifidobacterium. Presence of the oxygen-resistant strain enables growing the obligatory anaerobic strain under aerobic conditions in a pure milk medium without added growth promoting substances.

대표청구항 ▼

A method for producing foods and drinks containing at least two kinds of viable bifidobacteria, which comprises adding to a milk medium a bifidobacteria mixture containing at least one oxygen-resistant mutant strain of Bifidobacterium selected form the group consisting of Bifodobacterium bifidum YIt

A method for producing foods and drinks containing at least two kinds of viable bifidobacteria, which comprises adding to a milk medium a bifidobacteria mixture containing at least one oxygen-resistant mutant strain of Bifidobacterium selected form the group consisting of Bifodobacterium bifidum YIt-4002, Deposit No. FERM-P 3371, Bifidobacterium bifidum YIT-4005, Deposit No. FERM-P 3372 and Bifidobacterium breve YIT-4006, Deposit No. FERM-P 3906, and at least one strain of obligatory anaerobic Bifidobacterium selected from the group consisting of Bifidobacterium longum, Bifidobacterium breve, Bifidobacterium adolescentis, Bifidobacterium infantis and Bifidobacterium bifidum, and growing the bifidobacteria mixture in the milk medium under aerobic conditions in the absence of added growth promoting substances normally necessary for the obligatory anaerobic Bifidobacterium alone to grow under aerobic conditions in a pure milk medium.