Article (Scientific journals)
Structural characterization and functional properties of antihypertensive Cymodocea nodosa sulfated polysaccharide
Ben Abdallah Kolsi, Rihab; Fakhfakh, Jawhar; Krichen, Fatma et al.
2016In Carbohydrate Polymers
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Keywords :
Marine angiosperm; Sulfated polysaccharide; LC–ESI–MS/MS analysis; NMR spectroscopy; Antihypertensive properties
Abstract :
[en] 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.
Disciplines :
Biotechnology
Author, co-author :
Ben Abdallah Kolsi, Rihab
Fakhfakh, Jawhar
Krichen, Fatma
Jribi, Imed
Chiarore, Antonia
Patti, Francesco Paolo
Blecker, Christophe ;  Université de Liège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Science des alim. et formul.
Allouche, Noureddine
Belghith, Hafedh
Belghith, Karima
Language :
English
Title :
Structural characterization and functional properties of antihypertensive Cymodocea nodosa sulfated polysaccharide
Publication date :
2016
Journal title :
Carbohydrate Polymers
ISSN :
0144-8617
eISSN :
1879-1344
Publisher :
Elsevier Science
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 06 September 2016

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