Objective To investigate the effects of tea polysaccharides (TPS) on blood lipids and liver trace elements in hyperlipidemic rats. Method The hyperlipidemic rats were treated by gavage with tea polysaccharides of three purities, named TPS I, TPS II, and TPS III at 27.43%,57.82%,and 89.50% purity, respectively for 4 w. Then the rats were killed and the influence of TPS on concentrations of total cholesterol (TC)、triglyceride (TG)、low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), malondialdehyde (MDA) in blood serum, and Ca,Fe,Zn,Cu and Mg ion in liver were determined. Results The TC and MDA concentrations in blood serum of the experimental rats decreased significantly(P
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