Journal
FOOD CHEMISTRY
Volume 197, Issue -, Pages 1121-1129Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2015.11.100
Keywords
Antioxidant activity; Brown algae; Crude extract of fucoidan; Extraction method; Sargassum glaucescens
Funding
- Ministry of Science and Technology, ROC [NSC 101-2321-B-022-001-MY2]
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Fucoidan, a multifunctional marine polymer, is normally extracted from brown algae via extensive use of acid, solvent or high temperature water and a long reaction time. In present study, we developed a novel compressional-puffing-hydrothermal extraction (CPHE) process which primarily decomposes the cellular structure of algae and facilitates the release of fucoidan by hot water extraction. The CPHE process provides a number of advantages including simple procedure, reactant-saving, reduced pollution, and feasibility for continuous production. Sargassum glaucescens (SG) was utilized in this study, and the maximum extraction yield of polysaccharide was approximately 9.83 +/- 0.11% (SG4). Thin layer chromatography (TLC), Fourier transform infrared (FTIR) analysis, and measurements of monosaccharide composition, fucose, sulfate, and uronic acid contents revealed that the extracted polysaccharide showed characteristics of fucoidan. All extracts exhibited antioxidant activities, and thus, further exploration of these extracts as potential natural and safe antioxidant agents is warranted. (C) 2015 Elsevier Ltd. All rights reserved.
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