Flaxseed Gum Properties and Food Applications
Summary
Flaxseed gum is a complex hydrocolloid extracted from the outer layer of Linum usitatissimum seeds. Rich in neutral arabinoxylans and acidic pectic fractions, it displays thickening, gelling, foaming and emulsifying functionalities that rival or complement established gums such as gum arabic. Its solution viscosity and stability are governed by extraction parameters, molecular weight distribution and residual protein-polysaccharide interactions. Beyond textural applications, flaxseed gum exhibits antioxidant activity and potential prebiotic effects, offering both techno-functional benefits and health-related attributes. The gum’s capacity to stabilise oil-in-water systems and form resilient cryogels has been harnessed in novel encapsulation platforms for probiotics and bioactive compounds. Its sustainable origin from a widely cultivated seed crop underpins commercial interest, while ongoing efforts to optimise yield, purity and functional consistency aim to broaden its use in low-fat, gluten-free and clean-label formulations.
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Flaxseed Gum Properties and Food Applications publication trend
The graph below shows the total number of articles in flaxseed gum properties and food applications across all publications each year (not limited to Nature Index journals).
Technical terms
Hydrocolloid: A water-soluble polysaccharide that modifies the viscosity and texture of aqueous systems.
Rheological properties: Characteristics describing flow and deformation behaviour under stress.
Emulsion: A fine dispersion of one immiscible liquid in another, stabilised by emulsifiers.
Arabinoxylan: A non-starchy polysaccharide composed of arabinose and xylose units.
Pectic substance: Acidic polysaccharide rich in galacturonic acid, contributing to gel formation.
References
- Unravelling the functionality of anionic and non-ionic plant seed gums on milk protein cryogels conveying Lacticaseibacillus rhamnosus GG. Carbohydrate Polymers (2023).
- Flaxseed Gum Solution Functional Properties. Foods (2020).
- Antioxidant Properties of Water-Soluble Gum from Flaxseed Hulls. Antioxidants (2016).
- A Review of Extraction Techniques and Food Applications of Flaxseed Mucilage. Foods (2022).
- Flaxseed Bioactive Compounds: Chemical Composition, Functional Properties, Food Applications and Health Benefits-Related Gut Microbes. Foods (2022).
- Structure conformation, physicochemical and rheological properties of flaxseed gums extracted under alkaline and acidic conditions. International Journal of Biological Macromolecules (2021).
- Structural Characterization and Functional Properties of Flaxseed Hydrocolloids and Their Application. Foods (2022).
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