FT-IR spectra of alginic acid block fractions in three species of brown seaweeds

The homopoly- l-guluronic blocks presented in the IR spectra two characteristics bands at 812 and 781 cm −1. Sodium alginates obtained by alkaline extraction of Lessonia flavicans, Desmarestia ligulata and Desmarestia distans (Phaeophyta) from southern Chile were partially hydrolyzed with HCl. Each...

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Veröffentlicht in:	Carbohydrate research 2008-02, Vol.343 (2), p.308-316
Hauptverfasser:	Leal, David, Matsuhiro, Betty, Rossi, Miriam, Caruso, Francesco
Format:	Artikel
Sprache:	eng
Schlagworte:	Alginates - chemistry Alginic acids Block composition Carbohydrate Sequence DFT-calculated vibrations Disaccharides FT-IR characteristic bands Glucuronic Acid - chemistry Hexuronic Acids - chemistry Magnetic Resonance Spectroscopy Models, Molecular Molecular Sequence Data Seaweed - chemistry Spectroscopy, Fourier Transform Infrared
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