Abstract
Nutraceutical is defined as a food or part of it that provides the body with medical or health benefits, including the prevention and treatment of a disease. It is seen as a more natural way to accomplish therapeutic results with minimal side effects, and this view has propelled the discovery and production of nutraceutical to become a multibillion dollar enterprise. Nanoparticle-based delivery system is one of the promising encapsulation technologies for the nutraceutical industry. It is comprised of liquid- and solid-delivery systems. Protection of food bioactives, storage stability, high loading capacity, bioactive sustainability, and controlled-release mechanism are sought after qualities offered by encapsulation technology. Solid nanodelivery system consists of three types of encapsulation viz. nanocrystal, lipid, and polymeric nanoparticles, whereas liquid nanodelivery system consists of nanovesicle and nanoemulsion. The chapter will discuss available nanoparticle-based delivery systems together with their development, characterization, and their potential as nutraceutical bioavailability enhancer.
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