Journal
CRITICAL REVIEWS IN FOOD SCIENCE AND NUTRITION
Volume -, Issue -, Pages -Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10408398.2022.2105800
Keywords
Polysaccharides; nanotechnology; bioactive ingredients; bioavailability; controlled release
Categories
Funding
- Natural Science Foundation of Jiangsu Province [BK20210458]
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [KYCX20_1853]
- Fundamental Research Funds for the Central Universities [JUSRP121006]
- Special Support for Post-doc Creative Funding in Shandong Province [2020003072]
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This article reviews the characteristics and applications of nanoscale polysaccharide-based delivery carriers, as well as the sources and functional properties of common food polysaccharides. Polysaccharides can be used to construct nano-delivery systems that improve water-dispersibility, mask flavors, enhance stability, reduce volatility, and control release. Additionally, polysaccharides can be combined with other biopolymers to form composite delivery systems with enhanced functional attributes.
Polysaccharides are natural polymers isolated from plants, microorganisms, algae, and some animals they are composed of aldoses or ketoses linked by glycosidic bonds. Due to the affordability, abundance, safety, and functionality, polysaccharides are widely used in the foods and medicines to construct oral delivery systems for sensitive bioactive ingredients. In this article, the characteristics and applications of nanoscale polysaccharide-based delivery carriers are reviewed, including their ability to encapsulate, protect, and deliver bioactive ingredients. This review discusses the sources, characteristics, and functional properties of common food polysaccharides, including starch, pectin, chitosan, xanthan gum, and alginate. It also highlights the potential advantages of using polysaccharides for the construction of nano-delivery systems, such as nanoparticles, nanogels, nanoemulsions, nanocapsules, and nanofibers. Moreover, the application of delivery systems assembled from polysaccharides is summarized, with a focus on pH-responsive delivery of bioactives. There are some key findings and conclusions: Nanoscale polysaccharide delivery systems provide several advantages, including improved water-dispersibility, flavor masking, stability enhancement, reduced volatility, and controlled release; Polysaccharide nanocarriers can be used to construct pH-responsive delivery vehicles to achieve intestinal-targeted delivery and controlled release of bioactive ingredients; Polysaccharides can be used in combination with other biopolymers to form composite delivery systems with enhanced functional attributes.
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