Study on trace elements in wuji baifeng wan and its preparation

Institute of Applied Chemistry, Nanchang University, Nanchang 330047, China.
We studied the amount of trace elements in the traditional Chinese medicine Wuji Baifeng Wan by cluster analysis, and found that the clustering results of the trace elements in Twelve (the southern preparation) and Wuji Baifeng Wan (the northern preparation) were not in the same group. In this paper, AAS was used for the determination of trace elements in Wuji Baifeng Wan and its preparation. The results showed that there were great differences between Twelve Wuji Baifeng Wan, while the difference between Chinese Taihe Chicken and Native Chicken was slight. So we drew a conclusion that the great differences between Twelve Wuji Baifeng Wan were caused by other medicine, not in its preparation. The quality of Wuji Baifeng pills was comprehensively evaluated by a method of chemical pattern recognition, all the samples were divided into three grades (good, middling and poor). This method can be popularized and applied to evaluate quality of other Chinese traditional patent medicines.

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