Abstract:Objective: Study the toxicity effect of different rate of Sargassum and Radix Glycyrrhizae on rats. Method: 32
Wistar rats [body weight (123±15.3) g ] were random divided into 4 groups of 8: normal group (A) and compatibility
medicine group (B, C, D). The normal group was oral administrated with the distilled water, B, C, D group were oral given the
Sargassum and Radix Glycyrrhizae (1∶1), Sargassum and Radix Glycyrrhizae (1∶2), Sargassum and Radix Glycyrrhizae (1∶3) for
35 days, the dose was 20 mg·g-1 weight, in the meantime, general state of health was observed, then rats were
slaughtered, and the body weight, internal organs coefficient, blood routine, serum biochemistry and liver drug enzyme were
assaied. Result: The rats’ general state of health, body weight, internal organs coefficient has not been affected, the
hemoglobin, the red blood cell, the kidney function and liver function have been affected, and has some toxic effect on the
rats‘s white blood cell and cardic muscle, the toxic effect on cardic muscle was increase along with the rate of Sargassum
and Radix Glycyrrhizae; liver drug enzyme activity has been improved. Conclusion: The different rates of Sargassum and Radix
Glycyrrhizae have some selective toxic effect on internal organs of rats.