Polysaccharides from macroalgae: Recent advances, innovative technologies and challenges in extraction and purification
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|Title:||Polysaccharides from macroalgae: Recent advances, innovative technologies and challenges in extraction and purification||Authors:||Garcia-Vaquero, Marco; Rajauria, Gaurav; O'Doherty, John; Sweeney, Torres||Permanent link:||http://hdl.handle.net/10197/8191||Date:||Nov-2016||Online since:||2017-11-01T02:00:10Z||Abstract:||Polysaccharides obtained from macroalgae have promising prospects and could contribute greatly to the future of a marine based bio-economy. Specifically, laminarin and fucoidan from brown macroalgae have a wide variety of potential industrial applications including functional foods and nutraceuticals, due to their broad range of biological activities. These beneficial biological activities are related to the chemical composition and structure of the macroalgal polysaccharides. The molecular weight, monosaccharide composition and sulphate content of these polysaccharides could be influenced by both macroalgal biology (i.e. variations in polysaccharide composition due to macroalgae species and their biological cycle) and different extraction/purification techniques employed to obtain polysaccharide enriched products (i.e. de-sulphation or fragmentation of sulphated polysaccharides). This review focuses on the extraction and purification methods for the macroalgal polysaccharides laminarin and fucoidan used in the recent literature. The application of innovative extraction technologies (such as ultrasound, microwave and enzyme-assisted extractions), as well as new purification techniques (i.e. membrane separation), are also discussed together with the challenges concerning molecule structure-function relationship and macroalgal variability.||Funding Details:||Science Foundation Ireland||Type of material:||Journal Article||Publisher:||Elsevier||Journal:||Food Research International||Copyright (published version):||2016 Elsevier||Keywords:||Seaweed; Bioactivity; Fucoidan; Laminarin; Extraction; Purification; Innovative technology||DOI:||10.1016/j.foodres.2016.11.016||Language:||en||Status of Item:||Peer reviewed|
|Appears in Collections:||Agriculture and Food Science Research Collection|
Veterinary Medicine Research Collection
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