Abstract
We described the simple, selective, and rapid method for determination of fucoidans using methylene blue staining of sulfated polysaccharides, immobilized into filter paper and consequent optic density (at A 663 nm) measurement of the eluted dye from filter paper. This solid-phase method allows selective determination of 1–20 μg fucoidan in presence of potentially interfering compounds (alginic acid, DNA, salts, proteins, and detergents). Further, we demonstrated the alternative way of using image processing software for fucoidan quantification without extraction of methylene blue dye from stained spots of fucoidan–dye complex.
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This research was supported by Fishery Commercialization Support Program Ministry for Food, Agriculture, Forestry and Fisheries, Republic of Korea, grant no 109203-03-3-CG000.
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Lee, J.M., Shin, ZU., Mavlonov, G.T. et al. Solid-Phase Colorimetric Method for the Quantification of Fucoidan. Appl Biochem Biotechnol 168, 1019–1024 (2012). https://doi.org/10.1007/s12010-012-9837-y
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DOI: https://doi.org/10.1007/s12010-012-9837-y