| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a simple reaction method for chemically modifying polysaccharides. Ž<P>SOLUTION: A chemically-modified polysaccharide is produced by reacting polysaccharide with a chemical substance in an organic solvent mixture containing an organic solvent or water, where examples of the polysaccharide include cellulose, chitin, starch, pectin and carrageenan; examples of the chemical substance include an amino acid, a salt of an amino acid, a carboxylic acid, a salt of a carboxylic acid, an amino sugar, an amino sugar hydrochloride, an amino acid ester, a carboxylic acid ester, an aliphatic acid, a salt of an aliphatic acid and an aliphatic acid ester; and examples of the organic solvent include acetone, methanol, ethanol, propyl alcohol and isopropyl alcohol. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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