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9 results on '"Kolsi, Rihab Ben Abdallah"'

5. Anti-obesity effect and protection of liver-kidney functions by Codium fragile sulphated polysaccharide on high fat diet induced obese rats

Author

Kolsi, Rihab Ben Abdallah, primary, Jardak, Neila, additional, Hajkacem, Faten, additional, Chaaben, Rim, additional, jribi, Imed, additional, Feki, Abdelfattah El, additional, Rebai, Tarak, additional, Jamoussi, Kamel, additional, Fki, Lotfi, additional, Belghith, Hafedh, additional, and Belghith, Karima, additional

Published
2017
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6. Sulphated polysaccharide isolated from Sargassum vulgare : Characterization and hypolipidemic effects

Author

Kolsi, Rihab Ben Abdallah, primary, Salah, Hichem Ben, additional, Jardak, Neila, additional, Chaaben, Rim, additional, Jribi, Imed, additional, Feki, Abdelfattah El, additional, Rebai, Tarak, additional, Jamoussi, Kamel, additional, Allouche, Noureddine, additional, Blecker, Cristophe, additional, Belghith, Hafedh, additional, and Belghith, Karima, additional

Published
2017
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8. Structural characterization and functional properties of antihypertensive Cymodocea nodosa sulfated polysaccharide

Author

Kolsi, Rihab Ben Abdallah, Fakhfakh, Jawhar, Krichen, Fatma, Jribi, Imed, Chiarore, Antonia, Patti, Francesco Paolo, Blecker, Christophe, Allouche, Noureddine, Belghith, Hafedh, Belghith, Karima, Kolsi, Rihab Ben Abdallah, Fakhfakh, Jawhar, Krichen, Fatma, Jribi, Imed, Chiarore, Antonia, Patti, Francesco Paolo, Blecker, Christophe, Allouche, Noureddine, Belghith, Hafedh, and Belghith, Karima

Abstract

A sulfated polysaccharide was successfully isolated from Cymodocea nodosa (CNSP). This is the first report that indicates the chemical composition, structural characterization, functional and antihypertensive properties of this polysaccharide. The CNSP consisted mainly of sulfate (23.17%), total sugars (54.90%), galactose (44.89%), mannose (17.30%), arabinose (12.05%), xylose (9.18%), maltose (1.07%) and uronic acid (11.03%) with low water activity (0.49). CNSP had an XRD pattern that was typical for a semi-crystalline polymer with homogeneous structure. It also displayed an important anti-hypertensive activity (IC50 = 0.43 mg ml) with a dose-dependent manner using a synthetic substrate, N-hippuryl-His-Leu hydrate salt (HHL). Overall, the results indicate that CNSP have attractive chemical, functional and biological properties, with a preliminary structural may have a backbone of branched 6-O-sulfated (1 → 4) galactosidic linkages, which can be considered in the future as alternative additive in various foods, cosmetic and pharmaceutical preparations.

Published
2016
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