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タイトル: | Kinetics for the subcritical treatment of glucose solution at various concentrations |
著者: | Hirayama, Yusuke Kobayashi, Takashi |
著者名の別形: | 小林, 敬 |
キーワード: | decomposition glucose isomerization kinetics subcritical water |
発行日: | 2019 |
出版者: | Japanese Society for Food Science and Technology |
誌名: | Food Science and Technology Research |
巻: | 25 |
号: | 3 |
開始ページ: | 383 |
終了ページ: | 389 |
抄録: | Kinetic analysis was performed for the isomerization of glucose and side reactions (decomposition) in subcritical water with low-to-high saccharide concentrations (0.001–0.40 kg/kg-water). An aqueous solution of glucose was treated under subcritical conditions at 200 °C for 30–400 s using a tubular reactor. Isomerization of glucose to fructose predominantly occurred when the glucose concentration was low, while isomerization to mannose scarcely occurred. Decomposition of glucose to byproducts was promoted with increasing glucose concentration, while the isomerization was suppressed. Selectivity of fructose and mannose for the isomerization became lower at higher glucose concentrations and with longer reaction times. Kinetic analysis of the reaction indicated that the decomposition step of fructose most greatly affected the selectivity of fructose during the subcritical water treatment of glucose. |
著作権等: | © 2019 by Japanese Society for Food Science and Technology 発行元の許可を得て掲載しています。 The full-text file will be made open to the public on 1 May 2020 in accordance with publisher's 'Terms and Conditions for Self-Archiving'. |
URI: | http://hdl.handle.net/2433/244212 |
DOI(出版社版): | 10.3136/fstr.25.383 |
出現コレクション: | 学術雑誌掲載論文等 |
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