The mutagenicity of 102 Chinese herbs was tested with a battery of assays including Ames' test, micronucleus and chromosome aberration of marrow cell in mice. It was revealed that three among the subjects were positive Ames' test, they were, Astragalus memberanaceus Bge. ,Sophora japonica L., and Eucommia ulmoides Oliv. And thirteen were found positive in other two tests, they were. Astragalus membranaceus Bge., Eucommia ulmoides Oliv., Sophora japonica L., Datura metal L., Artemisia capillaris Thunb., Rehm...