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Nanoencapsulation of the Bioactive Compounds of Spirulina with a Microalgal Biopolymer Coating

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Microalgae have been studied in biotechnological processes due to the various biocompounds that can be obtained from their biomasses, including pigments, proteins, antioxidants, biopeptides, fatty acids and biopolymers. Microalgae biopolymers are biodegradable materials that present similar characteristics to traditional polymers, with the advantage of being rapidly degraded when discarded. In addition, nanoencapsulation is capable of increasing the availability of bioactive compounds by allowing the release of these biocompounds to occur slowly over time. The use of polymers in the nanoencapsulation of active ingredients can mask the undesired physicochemical properties of the compounds to be encapsulated, thereby enhancing consumer acceptability. This covering also acts as a barrier against several foreign substances that can react with bioactive compounds and reduce their activity. Studies of the development of poly-3-hydroxybutyrate (PHB) nanocapsules from microbial sources are little explored; this review addresses the use of nanotechnology to obtain bioactive compounds coated with biopolymer nanocapsules, both obtained from Spirulina biomasses. These microalgae are Generally Recognized as Safe (GRAS) certified, which guarantees that the biomass can be used to obtain high added value biocompounds, which can be used in human and animal supplementation.
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Document Type: Research Article

Publication date: January 1, 2016

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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