Influence of laminarin polysaccahrides on oxidative damage |
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Authors: | Cheng Daye Liang Bin Li Mingxin Jin Minglin |
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Institution: | Transfusion department, The First Hospital of China Medical University, North Nanjing Street No 155, Shenyang 110001, Liaoning Province, PR China. chengdy6s@yahoo.com.cn |
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Abstract: | Laminarin is a tropical plant traditionally used in Chinese medicine. In this experiment, Laminarin polysaccharides were analysed using GC-MS method and result showed that the polysaccharides contained mannose (3.27%), arabinose (8.61%), glucose (4.23%), galactose (12.12%), fucose (46.93%). Laminarin polysaccharides were tested to evaluate their effect on lung oxidative stress and lipid peroxidation in rats. The animal were divided into model and polysaccharides-treated animal. Laminarin polysaccharides were administered by gavage over a 14-day period. The results indicated that Laminarin polysaccharides significantly normalized catalase (CAT) activity (P<0.01), increased glutathione peroxidase (GPx) activity (P<0.05), superoxide dismutase (SOD) activity and reduced malondialdehyde (MDA) concentrations in animal. It could be concluded that Laminarin polysaccharides appeared to be more effective in reducing sepsis-induced oxidative stress, lipid peroxidation in animal. |
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