Application of nano-selenium cordyceps militaris aqueous extract in reduction of radiotherapy injury and protective agent thereof

The invention discloses an application of nano-selenium cordyceps militaris aqueous extract in reduction of radiotherapy injury and a protective agent thereof. The nano-selenium cordyceps militaris aqueous extract has a very good effect in reduction of radiotherapy injury, particularly can reduce radiotherapy injury to human organs or muscles, and significantly down-regulate ROS rise caused by radiotherapy. The nano-selenium cordyceps militaris aqueous extract is low in toxicity and free of toxic and side effects, has a very strong cell repairing effect, and particularly has a protection effect on myocardial injury to the human body caused by radiotherapy. 本发明公开了纳米硒蛹虫草水提物在减少放疗损伤中的应用及其保护剂，本发明的纳米硒蛹虫草水提物在减少放疗损伤中有很好的效果，具体可对人体器官或肌肉减少放疗的损伤，能显著下调放疗引起的ROS的上升，而且毒性低，有很强的细胞修复作用，特别是对放疗引起的人体心肌损伤起到保护作用。