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测定了三个产地的莶草及其水提液中的微量元素含量。探讨了其溶出率的意义。研究表明 ,溶出部分的微量元素才是有效的 ,中草药中微量元素的溶出率既与环境地域有关同时也与微量元素在中草药中的存在形态有关
The contents of trace elements in barnyardgrass and its water extracts from three producing areas were determined. The significance of its dissolution rate was explored. Studies have shown that the trace elements in the dissolution are effective, and the dissolution rate of trace elements in Chinese herbal medicine is related to the environment and the presence of trace elements in Chinese herbal medicine.