| Budget Amount *help |
¥3,600,000 (Direct Cost: ¥3,600,000)
Fiscal Year 2003: ¥1,100,000 (Direct Cost: ¥1,100,000)
Fiscal Year 2002: ¥2,500,000 (Direct Cost: ¥2,500,000)
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| Research Abstract |
Although, beer is thought to have been brewed thousand years ago in Egypt and the Middle East, indigenous beer, boza becomes a rare beverage in the pious Muslim countries. A sample of boza was collected at Cairo, Egypt and analysed. Boza was an off-white porridge-like slurry containing 3.8% (v/v) ethanol. pH of the boza was 3.7.A fermentation yeast strain EG1 was isolated from the material wheat bread and identified, and was considered to resemble Candida krusei. The rice sake made with the yeast strain C. krusei EG1 at 30C contained 11.7% ethanol, 74.1 ppm ethyl acetate and its pH value was 4.2.
Rice beer is a rare beverage in the world and is found only in Nagaland, India. Rice beer, known locally as zutho was collected in Nagaland, and subjected to analytical and the microbiological characterization. Zutho was a whitish porridge-like slurry containing 5.0% (v/v) ethanol. The pH and acidity of zutho were 3.6 and 5.1, respectively. Zutho had a aroma characteristics similar to those of Japanese sake and sprouted rice sake. A fermentation yeast isolated from zutho was identified as being a strain of the genus Saccharomyces cerevisiae.
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