Extraction of Trehalose from Thermally-treated Bakers' Yeast
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概要
- 論文の詳細を見る
Trehalose is a disaccharide of glucose mainly found in bakers' yeast. We investigated the extraction conditions for trehalose from bakers's yeast with an ethanol-water solution to increase the yield of trehalose from the yeast cells. A high extraction ratio of trehalose was obtained from thermally treated yeast, that is, from yeast cells treated by drying and heating, when compared with that from untreated raw yeast. This thermal had the effect of inactivating trehalase, which is a hydrolytic enzyme of trehalose, and accelerated the disruption of the yeast cells. These effects facilitated the extraction of trehalose within a short time at 25℃. When an ethanol-water solution of high concentration was used as the extraction solvent, the concentration of residual protein in the yeast extract was quite small. Especially in the case of dried yeast, The removal of protein from the yeast extract was not necessary for isolating and purifying trehalose after lt had been extracted.
- 社団法人日本農芸化学会の論文
- 1994-07-23
著者
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MATSUMOTO KANJI
Department of Material Science and Chemical Engineering, Faculty of Engineering, Yokohama National U
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Matsumoto Kanji
Department Of Chemical Engineering Graduate School Of Engineering Yokohama National University
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Matsumoto Kanji
Department Of Material Science And Chemical Engineering Yokohama National University
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Yoshikawa Yumi
Department of Material Science and Chemical Engineering, Yokohama National University
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Nagata Kazuhisa
Department of Material Science and Chemical Engineering, Yokohama National University
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Sato Toshio
Laboratory of Geoenvironmental Ecotechnology, Faculty of Agriculture, Shimane University
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Yoshikawa Y
Yokohama National Univ. Yokohama Jpn
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Yoshikawa Yumi
Department Of Chemical System Engineering Division Of Material Science And Chemical Engineering Yoko
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Nagata Kazuhisa
Department Of Material Science And Chemical Engineering Yokohama National University
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Sato Toshio
Laboratory Of Geoenvironmental Ecotechnology Faculty Of Agriculture Shimane University
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Matsumoto Kanji
Department Of Chemical And Energy Engineering Graduate School Of Engineering Yokohama National University
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