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Updated: May 18, 2026
09:58
Light-driven Enzymatic Decarboxylation
Published on: May 22, 2016
Degradation of curdlan using hydrogen peroxide.
Shengjun Wu1, Ruizhen Cai, Yuying Sun
1School of Marine Science and Technology, Huaihai Institute of Technology, 59 Cangwu Road, Lianyungang 222005, China. wushengjun008@sina.com
Food Chemistry
|September 18, 2012
Summary
Oxidative degradation of curdlan using hydrogen peroxide (H₂O₂) created a water-soluble (1→3)-β-d-glucan oligosaccharide. This process enhances curdlan
Area of Science:
- Food Science
- Biochemistry
- Polymer Chemistry
Background:
- Curdlan, a linear β-(1→3)-glucan, exhibits poor water solubility, limiting its use in food applications.
- Developing water-soluble derivatives is crucial for expanding curdlan's industrial applications.
Purpose of the Study:
- To investigate the oxidative degradation of curdlan using hydrogen peroxide (H₂O₂).
- To optimize hydrolysis conditions for producing water-soluble curdlan derivatives.
- To characterize the resulting water-soluble (1→3)-β-d-glucan oligosaccharides.
Main Methods:
- Curdlan oxidative degradation using hydrogen peroxide (H₂O₂).
- Optimization of hydrolysis parameters: reaction time (40 min), temperature (60°C), H₂O₂ concentration (1.5%), and NaOH concentration (2.5M).
- Characterization using high-performance liquid chromatography (HPLC) and Fourier-transform infrared spectroscopy (FTIR).
Main Results:
- Optimal hydrolysis conditions yielded a maximum dextrose equivalent value of 13.49%.
- The process resulted in a water-soluble white powder with 98.6% (1→3)-β-d-glucan oligosaccharide content.
- A high product yield of 91.4% (w/w) was achieved.
Conclusions:
- Optimized oxidative degradation effectively converts insoluble curdlan into water-soluble (1→3)-β-d-glucan oligosaccharides.
- The resulting product exhibits high purity and yield, making it suitable for food industry applications.
- This method provides a viable route to enhance curdlan's functionality and expand its market potential.
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