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Characterization of arabinogalactan-rich mucilage from Cereus triangularis cladodes

Abstract : Cereus triangularis (Cactaceae) is a cactus used in food decoction as a traditional medicine in the North region of Madagascar to reduce stomach ache and intestinal diseases. Hydrocolloids were sequentially extracted from its cladodes with a yield of 24% (240 mg/g based on dried cladodes powder). Structural analyses has revealed that this polysaccharide with a molecular mass of 8430,000 g/mol was mainly composed of a galactan backbone of a (1 → 4) linked β-d-Galp residues probably substituted at position 3 by l-arabinofuranosyl residues. In vitro antioxidant activity of this arabinogalactan-rich fraction was detected and quantified by radical DPPH scavenging, hydroxyl radical scavenging, radical anion superoxide scavenging and reducing power method.
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Submitted on : Monday, December 11, 2017 - 11:27:58 AM
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Benjamin Petera, Cédric Delattre, Guillaume Pierre, Anne Wadouachi, Redouan Elboutachfaiti, et al.. Characterization of arabinogalactan-rich mucilage from Cereus triangularis cladodes. Carbohydrate Polymers, Elsevier, 2015, 127, pp.372 - 380. ⟨10.1016/j.carbpol.2015.04.001⟩. ⟨hal-01660667⟩



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