Hydrolysis of disaccharides containing glucose residue in subcritical water

Toshinobu Oomori, Shabnam Haghighat Khajavi, Yukitaka Kimura, Shuji Adachi, Ryuichi Matsuno

Research output: Contribution to journalArticle

80 Citations (Scopus)

Abstract

The hydrolysis of disaccharides consisting of two glucose residues or of glucose and fructose or galactose residues in subcritical water was measured using a tubular reactor at 10MPa and 180-260°C. The relationship between the fraction of remaining disaccharide and the residence time could be expressed by the Weibull equation for all the disaccharides tested at any temperature. The susceptibility to hydrolysis largely depended on the type of disaccharide, and it was found that the electrostatic potential charge of a glucosidic oxygen atom was an indication for the susceptibility of disaccharide to the hydrolysis. It was also shown that the enthalpy-entropy compensation held for the hydrolysis of disaccharides in subcritical water.

Original languageEnglish
Pages (from-to)143-147
Number of pages5
JournalBiochemical Engineering Journal
Volume18
Issue number2
DOIs
Publication statusPublished - May 2004
Externally publishedYes

Fingerprint

Disaccharides
Glucose
Hydrolysis
Water
Fructose
Entropy
Static Electricity
Galactose
Electrostatics
Enthalpy
Oxygen
Atoms
Temperature

Keywords

  • Degradation
  • Disaccharides
  • Subcritical water
  • Weibull equation

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • Chemical Engineering(all)

Cite this

Hydrolysis of disaccharides containing glucose residue in subcritical water. / Oomori, Toshinobu; Khajavi, Shabnam Haghighat; Kimura, Yukitaka; Adachi, Shuji; Matsuno, Ryuichi.

In: Biochemical Engineering Journal, Vol. 18, No. 2, 05.2004, p. 143-147.

Research output: Contribution to journalArticle

Oomori, Toshinobu ; Khajavi, Shabnam Haghighat ; Kimura, Yukitaka ; Adachi, Shuji ; Matsuno, Ryuichi. / Hydrolysis of disaccharides containing glucose residue in subcritical water. In: Biochemical Engineering Journal. 2004 ; Vol. 18, No. 2. pp. 143-147.
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