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 A663nm) 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.
| Original language | English |
|---|---|
| Pages (from-to) | 1019-1024 |
| Number of pages | 6 |
| Journal | Applied Biochemistry and Biotechnology |
| Volume | 168 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - Nov 2012 |
Bibliographical note
Funding Information:Acknowledgments 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.
Keywords
- Fucoidan
- Methylene blue binding
- Quantity one® soft
- Solid-phase colorimetry
- Spot quantitation
- Sulfated polysaccharides
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