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Effect of Oolong tea polysaccharide (OTPS) on the antioxidant and antidiabetic activities in streptozotocin-induced diabetic rats were investigated. Significant changes of biochemical were found in serum and tissues 30 days after OPTS-treated diabetic rats induced by a single dose of streptozotocin. OTPS significantly reduced blood glucose (BG), nitric oxide (NO) and malondialdehyde (MDA) concentration and activity of nitric oxide synthase (NOS) in serum of diabetic rats, meanwhile the activities of superoxide dismutase(SOD), glutathione peroxidase (GSH-PX), and the content of insulin in serum were increased. |
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Keywords:Oolong tea, polysaccharide, antioxidant, antidiabetic |
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