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タイトル: | Isomerization and epimerization of glucose and galactose in arginine solution and phosphate buffer under subcritical fluid conditions |
著者: | Kobayashi, Takashi Khuwijitjaru, Pramote Adachi, Shuji |
著者名の別形: | 小林, 敬 安達, 修二 |
キーワード: | green catalyst hexoses isomerization LBAE transformation subcritical fluid |
発行日: | Jul-2023 |
出版者: | Oxford University Press (OUP) |
誌名: | Bioscience, Biotechnology, and Biochemistry |
巻: | 87 |
号: | 7 |
開始ページ: | 758 |
終了ページ: | 764 |
抄録: | Reaction of glucose or galactose was performed in arginine solution or phosphate buffer (pH 7.0) using a batch reactor at 110°C. The yields of products, pH, and absorbances at 280 and 420 nm were measured during the reaction. Fructose, mannose, and allulose were formed from glucose; tagatose, talose, and sorbose were done from galactose. The reaction proceeded more rapidly in arginine solution than in phosphate buffer. In arginine solution, yields of fructose and tagatose were 20% and 16%, respectively, after 30-min reaction; in phosphate buffer, they were 14% and 10%, respectively. However, in both reaction media, the pH drop and increase in absorbances continued even after the yield became almost constant. The absorbance increased particularly in the latter half of the reaction due to formation of browning products. Therefore, to avoid browning, the reaction should be stopped as soon as possible after the yield approaches its maximum value. |
著作権等: | This is a pre-copyedited, author-produced version of an article accepted for publication in Bioscience, Biotechnology, and Biochemistry following peer review. The version of record [Takashi Kobayashi and others, Isomerization and epimerization of glucose and galactose in arginine solution and phosphate buffer under subcritical fluid conditions, Bioscience, Biotechnology, and Biochemistry, Volume 87, Issue 7, July 2023, Pages 758–764] is available online at:https://doi.org/10.1093/bbb/zbad047. The full-text file will be made open to the public on 19 April 2024 in accordance with publisher's 'Terms and Conditions for Self-Archiving'. This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 |
URI: | http://hdl.handle.net/2433/284835 |
DOI(出版社版): | 10.1093/bbb/zbad047 |
PubMed ID: | 37076769 |
出現コレクション: | 学術雑誌掲載論文等 |
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