Study has shown that polysaccharase has significant function of radiation protection,which may be related to immunologic adjustment,protection of hemopoietic system,clearance of radical.

研究发现多种多糖有明显的辐射损伤防护作用,可疫调节、保护造血系、清除自由基等方面有。

Literature synthesis This paper was summarized in 3 aspects: radiation risk in manned space flight, biological effect of space radiation injury and trend of research on radioprotector.

料综合就载人航天辐射危害、航天辐射损伤的生物学效应以及航天辐射防护剂研究发展方向等3个方面进行综合。