| abstract |
An object of the present invention is to provide low-cost L-arabinose for a synthetic raw material that is highly pure and hardly contains D-xylose. SOLUTION: Using a plant body containing arabinan as a raw material, the following steps (a) to (e) are carried out to contain 97% by mass or more of L-arabinose and 0.1% by mass of D-xylose. A method for producing a synthetic raw material sugar, characterized in that the sugar for a synthetic raw material is not more than%. (a) Hydrolysis by acid or enzyme, (b) Removal of monosaccharides other than L-arabinose, (c) Deproteinization and / or polysaccharide removal, (d) Desalination, (e) Crystallization None |