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Synthesis and Hydroxyl Radicals Scavenging Activity of 2-Pyridine-acetyl-N-trimethyl Chitosan Chloride
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 Title & Authors
Synthesis and Hydroxyl Radicals Scavenging Activity of 2-Pyridine-acetyl-N-trimethyl Chitosan Chloride
Li, Rongchun;
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A novel chitosan derivative with double quaternary ammonium salt-2-pyridine-acetyl-N-trimethyl chitosan chloride (PATMCS) was synthesized and the antioxidant activity of PATMCS against hydroxyl radicals was assessed. The results indicated that PATMCS had potent hydroxyl scavenging activity. The of PATMCS was 0.13 mg/mL. PATMCS showed 100% scavenging effect at a dose of 0.8 mg/mL which markedly better than that of N-trimethyl chitosan chloride (TMCS). It was confirmed that quaternary chitosan derivatives showed potent antioxidant activity. PATMCS has double quaternary ammonium salt structure in the molecules. Therefore, the antioxidant activity of PATMCS was better than TMCS. The above results are theoretically fundamental for further development and making use of chitosan resources to prepare new antioxidants.
Double quaternary chitosan;Synthesis;Antioxidant activity;
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