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Extraction, characterisation and antioxidant activity of Allium sativum polysaccharide
1Active Carbohydrate Research Institute, Chongqing Normal University, Chongqing 401331, China.
Abstract:
Extraction and antioxidant activity of polysaccharide from Allium sativum were investigated. The crude polysaccharide was obtained by the hot-water extraction method. The molecular weight of polysaccharide deproteinized with CaCl2 was 7.35×103. It indicated that polysaccharide from Allium sativum consisted of three monosaccharides, namely fructose, glucose, and galactose by HPLC. The polysaccharide had the β-glycosidic bond. Moreover, it was proved that the polysaccharide had the potential scavenging ability to superoxide anions and hydroxyl radicals. So, it should be a potential antioxidant.
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