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Effects of Intragastric Lycopene on Oxidative Stress of Blood after Exercise SD Rats
Authors:ZANG Chang-jiang  LI Hu  YANG Kai-lun  ZHAO Fang  WU Xin  LI Feng-ming
Institution:Xinjiang Key Laboratory of Herbivore Nutrition for Meat & Milk Production, College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China
Abstract:The experiment was conducted to study the effects of intragastric lycopene on oxidative stress blood after exercise SD rats.Thirty two SD rats with similar weight(233.40 g±6.21 g) and good health for SPF were randomized into one control groups and three trial groups with 8 rats per group.The control group was gastric fed with edible oil,the trial Ⅰ,Ⅱ and Ⅲ groups were gastric fed with edible oil intragastric with 10,20,40 mg/(kg·BW) lycopene,respectively.The pre-experiment period lasted for 10 d,and the experiment period lasted for 42 d.Swimming train six days a week and train six weeks,then that blood were collection for determination of oxidative stress after swimming train 11 hours SD rats.The results showed that lycopene concentration of plasma was increased at first and decreased subsequently,after 4 h lycopene concentration of plasma in SD rat was peak.With the increase of intragastric lycopene doses,glutathione peroxidase,total antioxidant enzyme activity and total antioxidant capacity of plasma showed a trend of rising; malondialdehyde content of plasma showed a trend of decrease with the increase of supplemental lycopene dose after exercise SD rats.Therefore,the antioxidant capacity of blood after exercise SD rats and doses of intragastric lycopene were dose dependent,antioxidant capacity of blood after exercise SD rats showed a trend of rise with the increase of lycopene dose.
Keywords:lycopene  SD rats  oxidative stress  
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