Isolation of ketoses or nonreducing sugars from a sugar mixture containing aldoses by aniline treatment |
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| Authors: | K Suyama C J Hwang M Fujii S Adachi |
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| Affiliation: | 1. School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu Province, PR China;2. Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore;3. State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, PR China;4. Tropical Marine Science Institute, National University of Singapore, S2S, 18 Kent Ridge Road, Singapore 119227, Singapore;5. National University of Singapore Environmental Research Institute, T-Lab Building #02-01, 5A Engineering Drive 1, Singapore 117411, Singapore;1. Division of Pediatric Rehabilitation Medicine, Department of Pediatrics, Rady Children’s Hospital San Diego, University of California San Diego, 3020 Children’s Way, MC 5096, San Diego, CA 92123, USA;2. Division of Pediatric Respiratory Medicine, Department of Pediatrics, Rady Children’s Hospital San Diego, University of California San Diego, 3020 Children''s Way, San Diego, CA, USA;3. Department of Physical Medicine and Rehabilitation, University of California Davis School of Medicine, 4860 Y Street, Sacramento, CA 95817, USA;1. School of Integrated Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shangdong, PR China;2. School of Chinese Medicine, Shandong College of Traditional Chinese Medicine, Yantai 264199, Shangdong, PR China;3. Affiliated Huaian Hospital of Xuzhou Medical College, Huaian 223002, Jiangsu, PR China;1. CNR—Institute of Bioeconomy, via Madonna del Piano 10, Sesto Fiorentino, Italy;2. Escuela de Biologia, CIMAR—Centro de Investigación en Ciencias del Mar y Limnología, Universidad de Costa Rica, San Pedro, San José, Costa Rica;3. Institute of Microbiology of the CAS, Centre Algatech, Laboratory of Algal Biotechnology, Opatovický mlýn, Třeboň, Czech Republic;4. University of South Bohemia, Faculty of Agriculture, České Budějovice, Czech Republic;5. University of South Bohemia, Faculty of Science, České Budějovice, Czech Republic |
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| Abstract: | A method for the isolation of ketoses and nonreducing sugars from sugar mixtures by the addition of aniline, in the presence of acetic acid as a catalyst, is described. The aldoses react readily to form aniline derivatives, which are then removed using standard procedures: extraction with organic solvents, and treatment with activated charcoal and with a cation-exchange resin. The ketoses and nonreducing sugars are retained in aqueous solution. |
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