| 摘要 |
PURPOSE:To obtain the title beverage excellent in storage stability, giving mellow flavor and refreshing feel, also strong in immunoactivation effect, thus useful as a health food by fermentation, under forced feed of an oxygen contg. gas, of a milky material using kefir bacteria. CONSTITUTION:The objective beverage can be obtained by fermentation, under forced feed of an oxygen contg. gas, of a milky material using kefir bacteria. This beverage contains (A) 3-20wt.% of fatless milk solid consisting mainly of milk serum component free from casein protein and (B) 0.1-1.5wt.% of ethanol, and can be produced by the following process: a milky material is fermented, under forced feed of an oxygen-contg. gas, using kefir bacteria, and precipitates such as casein protein are removed, and the resulting product is put to bacteria elimination through filter or heating sterilization. Said milky material is e.g. cow milk, skim milk, recombined milk, milk serum. |
