Phytosterol Nanoparticle Delivery Systems in Emulsions
Summary
Phytosterols are plant-derived sterols valued for their capacity to lower blood cholesterol, yet their poor water solubility and susceptibility to oxidation limit their physiological efficacy and application in food matrices. Emulsion-based nanoparticle delivery systems address these challenges by encapsulating phytosterols within submicron oil-in-water droplets or solid lipid particles. Nanoscale reduction of droplet size increases surface area, promoting efficient incorporation into mixed micelles during digestion and enhancing bioaccessibility. Stabilisation by emulsifiers—such as proteins, phospholipids or polysaccharides—and by solid-particle (Pickering) approaches not only protects phytosterols from oxidative degradation but also allows controlled release in response to pH or enzymatic triggers. Key production methods include high-pressure homogenisation, ultrasonication and microfluidisation, each enabling precise control over particle size distribution and interfacial composition. Advances in formulation design have yielded composite systems that co-deliver antioxidants or target specific regions of the gastrointestinal tract. These technologies underpin fortified spreads, beverages and nutraceuticals with improved stability and functional performance, supporting cardiovascular health on a global scale and paving the way for next-generation dietary supplements and functional foods.
Research from Nature Portfolio
No recent Nature Portfolio content available.
Phytosterol Nanoparticle Delivery Systems in Emulsions publication trend
The graph below shows the total number of articles in phytosterol nanoparticle delivery systems in emulsions across all publications each year (not limited to Nature Index journals).
Technical terms
Phytosterol nanoparticles: Nanoscale particles of plant sterols designed to improve solubility and bioavailability.
Nanoemulsion: A kinetically stable oil-in-water dispersion with droplet sizes typically below 200 nm.
Pickering emulsion: An emulsion stabilised by solid particles adsorbed at the interface rather than by molecular surfactants.
High-pressure homogenisation: A process that forces a fluid through a narrow gap at high pressure to create fine droplets.
Bioaccessibility: The fraction of a compound that is released from its matrix in the gastrointestinal tract and becomes available for absorption.
Zeta potential: The electric potential at the slipping plane of a particle, indicating its colloidal stability.
References
- Combination of Nanodelivery Systems and Constituents Derived from Novel Foods: A Comprehensive Review. Pharmaceutics (2023).
About these summaries
This Nature Research Intelligence Topic summary is created with the cited references and a large language model. We take care to ground generated text with facts, and have systems in place to gain human feedback on the overall quality of the process in line with our AI principles. We strive to create accurate and useful summaries for people unfamiliar with the research topic and that supports this goal. These pages are a beta release and will be updated as we learn how best to help people gain value from a research topic summary.
Turn complex research questions into confident strategic decisions
When you're under pressure to set direction, justify investment, or understand your competitive position, you need more than raw data — you need trusted insights you can act on.
Benchmark your performance against global peers using robust, methodologically sound analysis.
Combine quantitative metrics with qualitative expert insight to uncover strengths, gaps and emerging opportunities.
Gain tailored, decision-ready recommendations aligned to your strategic priorities.
Talk to us to learn more about our data dashboards and bespoke strategy reports.
Grow research skills, confidence and careers with training built for every stage of the research lifecycle.
Developed with Nature Portfolio journal Editors and internationally renowned experts. Discover three ways to learn:
Self-paced, online courses in convenient bite-sized units, covering key skills across scientific writing, publishing, grant writing, data analysis, and more.
Expert trainer-led workshops with hands-on exercises and real-time feedback across core research skills, delivered via interactive group sessions.
Editor-led workshops combining core principles in writing and publishing, personalised 1:1 feedback from Nature Portfolio Editors and hands-on exercises.
Explore course catalogues and workshop agendas, enquire about the options or request institutional pricing.