Comparison of Extraction Different Methods of Sodium Alginate from Brown Alga Sargassum sp. Localized in the Southern of Iran

The alginate was extracted with six different methods from Iran south seacoast algae, Sargassum sp, and the percentage yield of alginate was determined. Wedivided our methods to two groups including acidic extraction and non-acidic. In acidic methods, HCL and H2SO4 were used as a detergent in extraction process andCaCl2 was exerted in non-acidic treatments. All treatments compared with each other and indicated an increasing in alginate yield when different methods usedEDTA in extraction process. Finally, the main characteristics of sodium alginate were realized with FT-IR and H-NMR.

Keywords:

Alginate , Brown Algae , Extraction , H-NMR , Polysaccharide