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Influence of Pectin Structural Properties on Interactions with Divalent Cations and Its Associated Functionalities.
Miete Celus1, Clare Kyomugasho1, Ann M Van Loey1
1KU Leuven Department of Microbial and Molecular Systems (M2S), Laboratory of Food Technology, Leuven Food Science and Nutrition Research Centre (LFoRCe), Kasteelpark Arenberg 22, Box 2457, 3001 Leuven, Belgium.
Comprehensive Reviews in Food Science and Food Safety
|December 22, 2020
Summary
Pectin
Area of Science:
- Food Science
- Biochemistry
- Materials Science
Background:
- Pectin, an anionic polysaccharide, binds divalent cations through its galacturonic acid units.
- Its cation-binding capacity is utilized in food gelling and wastewater treatment.
- Pectin's structural variability and external factors influence this binding.
Purpose of the Study:
- To review research on pectin-divalent cation interactions and functionalities.
- To identify research gaps in understanding structure-function relationships.
- To explore methods for optimizing pectin's cation-binding capacity.
Main Methods:
- Literature review of pectin-cation interactions.
- Analysis of factors influencing binding (structure, cation type, pH).
- Discussion of experimental techniques like adsorption and calorimetry.
Main Results:
- Pectin-cation interactions are complex, influenced by molecular structure and extrinsic factors.
- Predicting pectin's cation-binding capacity is challenging due to multiple variables.
- Existing research highlights the need for further investigation into these interactions.
Conclusions:
- Understanding pectin-cation interactions is crucial for optimizing its applications.
- Equilibrium adsorption and isothermal titration calorimetry offer promising insights.
- Targeted structural modification can enhance pectin's cation-binding for food and environmental uses.
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