Behavior of 2-O-α-D-Glucopyranosyl-L-ascorbic Acid in a Flour-water Suspension and Its Effectiveness as a Dough Improver
スポンサーリンク
概要
- 論文の詳細を見る
The behavior of 2-O-α-D-glucopyranosyl-L-ascorbic acid (AA-2G) in a whole wheat flour suspension was investigated. AA-2G was hydrolyzed by a non-dialyzable and heat-labile component in flour and liberated L-ascorbic acid (AA). The pH profile for the hydrolysis is similar to that of rice α-glucosidase. However, the hydrolysis of AA-2G was inhibited completely by endogenous sugars, mainly maltose, which were produced rapidly during the hydration of flours. In the presence of Saccharomyces cerevisiae strain with a strong maltose-utilizing capability, the hydrolysis of AA-2G proceeded in a flour suspension, and was followed by the formation of dehydro-L-ascorbic acid. The hydrolysis of AA-2G also proceeded in yeasted dough, concomitant with increases in the resistance on an extensigram and in the loaf volume of the bread. These effects of AA-2G on dough were less than those of equimolar AA because of the imperfect liberation of AA. The results show that AA-2G could be useful as a highly stable dough improver.
- 社団法人日本農芸化学会の論文
- 1993-04-23
著者
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YAMAMOTO Itaru
Department of Radiology, Kanazawa Medical University
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Yamamoto I
Okayama Univ. Okayama Jpn
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Nishiyama Junko
Department of Natural Science, Faculty of Arts and Sciences, Osaka Women's University
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Kuninori Toyo
Department of Natural Science, Faculty of Arts and Sciences, Osaka Women's University
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Ishimura Tetsuyo
Department of Liberal Arts, Shijonawate Gakuen Women's Junior College
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Akiba Masanori
Research and Development Center, Hayashibara Biochemical Laboratories Inc.
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Akiba Masako
Department Of Agricultural Chemistry Faculty Of Agriculture Utsunomiya University
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Yamamoto Itaru
Department Of Immunochemistry Faculty Of Pharmaceutical Science Okayama University
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Kuninori Toyo
Department Of Natural Science Faculty Of Arts And Sciences Osaka Women's University
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Akiba Masanori
Research And Development Center Hayashibara Biochemical Laboratories Inc.
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Nishiyama Junko
Department Of Natural Science Faculty Of Arts And Sciences Osaka Women's University
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Ishimura Tetsuyo
Department Of Liberal Arts Shijonawate Gakuen Women's Junior College
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Yamamoto I
Department Of Immunochemistry Division Of Pharmaceutical Sciences Okayama University Graduate School
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