Abstract
Sulfur dioxide (SO 2) is a common but important air pollutant. Micronuclei (MN) in the polychromatic erythrocytes (PCE) of mouse bone marrow and the ratio between organ and body weight of treatment mouse were determined and analyzed in vivo in order to study injury of sulfur dioxide inhalation on organs and germ plasm of mouse as well as protective effect of seabuckthorn seed oil against this injury. It was showed that SO 2 inhalation induced the change of the ratio between organ and body of mouse organs, such as liver, lung, kidney, and spleen, and a significant increase of number of MNPCE, while seabuckthorn seed oil offered a protection against such injury.