外源性抗氧化剂

为了探索外源性抗氧化剂维生素E对足球运动员无氧训练血浆MDA水平和SOD活性的影响，选取20名中南大学湘雅医学院足球队队员，随机分为两组，每组10名，进行试验训练后；

In order to explore the effects of external source of anti-oxygen , Vitamin E , on the MDA and SOD of non-oxygen training of football players . This study selected 20 football players of Zhongnan University that were divided into two groups : 10 players each group .

外源性抗氧化剂可以帮助人们维持体内自由基的平衡。

Bio-antioxidant can help people hold radical balance in the body .

本文拟对补充外源性抗氧化剂对自由基代谢的影响作一论述。

The present paper tends to give a tentative comment on the impact of the exotic anti-oxidant supply on free radical metabolism .

人体内的自由基水平失衡会造成机体各种不可逆的氧化性损伤，加速机体的衰老并诱发各种疾病，外源性抗氧化剂可以帮助人体维持自由基的平衡。

The imbalance of free radicals inside human body can cause irreversible oxidative damage , accelerate human aging and induce many diseases . External antioxidants can help people maintain the balance of free radicals inside body .

人类许多慢性疾病及衰老现象均和人体内的自由基水平失衡有关，外源性抗氧化剂可以帮助人们维持体内自由基的平衡。

Many chronic diseases and human aging phenomenon have something to do with the imbalance of free radicals inside human body . External antioxidants can help people to maintain the balance of free radicals inside body .

结果：阿尔茨海默病3种主要病理变化-老年斑、神经纤维缠结、神经元死亡都有自由基参与，因此外源性抗氧化剂的应用是阿尔茨海默病药物治疗的有前途的一种方法。

RESULTS : Senile plaques , neurofibrillary tangles and neuronal death , in which free radicals are all involved , represent the three pathological features of Alzheimer disease . Therefore , the application of ectogenous antioxidant is a potential method for the drug treatment of Alzheimer disease .

结论：外源性维生素等抗氧化剂能够减缓电离辐射对造血系统的损伤，具有明显的辐射防护作用，并提示外源性补充维生素可能在辐射损伤后的康复过程中发挥重要作用。

CONCLUSION : Such antioxidants as exogenous vitamins may reduce haematogenous system injury caused by ionizing radiation , and exert obvious radioprotection effect , indicating that the supplement of exogenous vitamins may play an important role in the rehabilitation after radiation injury .