Antioxidant activity of sulfated polysaccharide fractions extracted from Laminaria japonica.

By Jing Wang, Quanbin Zhang, Zhong-Shan Zhang, Zhien Li. International Journal of Biological Macromolecules, 2008

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Biological activities of sulfated polysaccharides from tropical seaweeds. (2010, methodology): “The ferrous ion chelating ability of samples was investigated according to posterior studies [23].”
Fucoidan: Structure and Bioactivity (2008, background): “The correlation between the sulfate content and scavenging superoxide radical ability was positive, the ratio of sulfate content/fucose was an effective indicator to antioxidant activity of the samples [92].”
Algal Polysaccharides, Novel Applications and Outlook (2012, methodology): “Fucan showed low antioxidant activity relative to fucoidan (Rocha de Souza et al. 2007) and as mentioned previously, the ratio of sulphate content/fucose and the molecular weight were effective indicators to antioxidant activity of the samples (Wang et al. 2008).”
Bioactive compounds in seaweed: functional food applications and legislation (2011, methodology): “Fucan showed low antioxidant activity relative to fucoidan (Rocha de Souza et al. 2007), and as mentioned previously, the ratio of sulphate content/fucose and the molecular weight were effective indicators of the antioxidant activity of the samples (Wang et al. 2008).”