Abstract
To compare the acute toxicity and the pharmacological effect of Huoxiang Zhengqi microemulsion and Huoxiang Zhengqi tincture. The acute toxicities of Huoxiang Zhengqi microemulsion and Huoxiang Zhengqi tincture were observed by the test of maximum dose in mice and the antidiarrheal effects of them were evaluated by ED50 values of the diarrhea index, the serum levels of gastrin and motilin in the mice diarrhea model induced by senna. The acute toxicity of Huoxiang Zhengqi tincture was much higher than that of Huoxiang Zhengqi microemulsion and the ED50 values of the two formulations were similar. The microemulsion of Huoxiang Zhengqi prescription was much safer than that of tincture, but the antidiarrheal effects of them in diarrhea model induced by senna were similar.
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