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Published on: January 22, 2015
Synthesis and characterization of dextrin monosuccinate
Xiuting Hu1, Benxi Wei, Bao Zhang
1The State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
Carbohydrate Polymers
|June 18, 2013
Summary
Researchers optimized dextrin monosuccinate synthesis for high substitution. Optimal conditions yielded a maximum degree of substitution (DS) of 2.64, indicating potential for drug delivery applications.
Area of Science:
- Polymer Chemistry
- Organic Synthesis
- Biomaterials
Background:
- Dextran derivatives are explored for biomedical applications.
- Achieving a high degree of substitution (DS) is crucial for functionalizing dextran.
- Dextrin monosuccinate offers potential as a drug carrier due to its functional groups.
Purpose of the Study:
- To optimize reaction conditions for synthesizing dextrin monosuccinate with a high DS.
- To characterize the chemical structure of the synthesized dextrin monosuccinate.
- To evaluate the potential of dextrin monosuccinate as a drug carrier.
Main Methods:
- Investigated various reaction parameters: solvent, temperature, time, and molar ratio of succinic anhydride (SA) to anhydroglucose units (AGU).
- Utilized Fourier-transform infrared spectroscopy (FT-IR) and Carbon-13 nuclear magnetic resonance ((13)C NMR) for structural identification.
- Determined the degree of substitution (DS) under optimized conditions.
Main Results:
- Optimal conditions identified: dimethyl sulfoxide solvent, 50°C, 16 h reaction time, and a 6:1 molar ratio of SA to AGU.
- Maximum DS achieved was 2.64.
- FT-IR and (13)C NMR confirmed the presence of ester and carbonyl acid groups, indicating monoester formation.
Conclusions:
- Established optimal conditions for high DS dextrin monosuccinate synthesis.
- Confirmed the successful synthesis of dextrin monosuccinate with functional carbonyl acid groups.
- The synthesized dextrin monosuccinate is suitable for polymer therapy as drug carriers.
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