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Catalysts 2017, 7(5), 163;

Catalytic Processes for Utilizing Carbohydrates Derived from Algal Biomass

Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 4259-G1-14 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8502, Japan
Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259-R1-30 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8502, Japan
Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency (JST), Saitama 332-0012, Japan
Author to whom correspondence should be addressed.
Academic Editor: Rafael Luque
Received: 18 April 2017 / Revised: 10 May 2017 / Accepted: 15 May 2017 / Published: 19 May 2017
(This article belongs to the Special Issue Catalytic Sustainable Processes in Biorefineries)
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The high productivity of oil biosynthesized by microalgae has attracted increasing attention in recent years. Due to the application of such oils in jet fuels, the algal biosynthetic pathway toward oil components has been extensively researched. However, the utilization of the residue from algal cells after oil extraction has been overlooked. This residue is mainly composed of carbohydrates (starch), and so we herein describe the novel processes available for the production of useful chemicals from algal biomass-derived sugars. In particular, this review highlights our latest research in generating lactic acid and levulinic acid derivatives from polysaccharides and monosaccharides using homogeneous catalysts. Furthermore, based on previous reports, we discuss the potential of heterogeneous catalysts for application in such processes. View Full-Text
Keywords: algal biomass; carbohydrate; homogeneous catalyst; heterogeneous catalyst; lactic acid; levulinic acid algal biomass; carbohydrate; homogeneous catalyst; heterogeneous catalyst; lactic acid; levulinic acid

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Yamaguchi, S.; Motokura, K.; Tanaka, K.; Imamura, S. Catalytic Processes for Utilizing Carbohydrates Derived from Algal Biomass. Catalysts 2017, 7, 163.

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