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Leo, Fiame; Hashida, Shukichi; Kumagai, Daiju; Uchida, Kenji; Motoshima, Hidemasa; Arai, Ikichi; Asakuma, Sadaki; Fukuda, Kenji; Urashima, Tadasu; 福田, 健二; 浦島, 匡. |
A neutral exopolysaccharide produced in large amounts by Lactobacillus fermentum TDS030603 was purified from culture supernatants and its structure determined by monosaccharide analysis, methylation analysis and 1H-NMR spectroscopy. Optimum conditions for the production of this exopolysaccharide by the above bacterial strain, when cultured using cheese whey medium or MRS broth, were also investigated. The exopolysaccharide was found to be composed of D-galactose and D-glucose in the molar ratio of 1:2.5 and to consist of one major as well as one minor saccharide, both of which contained a tetrasaccharide repeating unit consisting of two α and two β anomers. The major saccharide contained non-reducing glucopyranose, O-3 substituted glucopyranose, O-6... |
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Palavras-chave: Lactic acid bacteria; Exopolysaccharide; Lactobacillus fermentum TDS030603. |
Ano: 2007 |
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/4183 |
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平田, 昌弘; 米田, 佑子; 有賀, 秀子; 内田, 健治; 元島, 英雅; 花田, 正明; 河合, 正人; Hirata, Masahiro; Yoneda, Yuko; Ariga, Hideko; Uchida, Kenji; Motoshima, Hidemasa; Hanada, Masaaki; Kawai, Masahito. |
The reproduction and identification of ancient dairy products in East Asia were conducted based on "SEIMINYOUJYUTU" which is the order ancient document available in East Asia and contains detailed explanation about milk processing,and then the spread pathway of these milk processing techniques into East Asia was discussed in this paper. As the results of reproduction and identification experiments,RAKU was identified as sour milk,KANRAKU could not be identified,ROKURAKU was identified as unmatured type cheese such as KHOROOT of Mongolian pastoralists and KURUT of Turki pastoralists,and SO was identified as butter and butter oil. Since some imprecise descriptions were found in SEIMINYOUJYUTU through the reproduction experiment,it was considered that... |
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Palavras-chave: Historical document; East Asia; Milk product; Pastoralist; Spread. |
Ano: 2010 |
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3074 |
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