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部分中药饮片有毒,内服须经过炮制,使毒性消除,使疗效安全可靠。我们对毒性中药炮制前后进行微量元素测定,发现铜锌比值有一定的规律性。1 实验样品:半夏:天南星科植物半夏P ternata(Thunb)Breit的干燥块茎。清半夏:半夏
Some pieces of Chinese Herbal Medicine are poisonous, and oral preparations must be processed to eliminate toxicity so that the efficacy is safe and reliable. We measured the trace elements before and after processing of toxic Chinese medicine and found that the ratio of copper to zinc has a certain degree of regularity. 1 Experimental sample: Pinellia: Dry tubers of the Araceae Planta ternata (Thunb) Breit. Qing Banxia: Pinellia