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作者参考日本,亚洲药典对含有土大黄甙(Rhaponticin)的大黄检查方法,采用硅胶G薄层,以异丙醇:正丁醇:甲醇(26:7:7)展开,对不同产地的牛黄解毒片,丸进行了检识。试验表明凡含有土大黄甙的大黄及含有此类大黄的牛黄解毒片、丸,其薄层均在R_f0.5左右出现亮蓝色荧光斑点。
The authors refer to the Japanese and Asian Pharmacopoeia for rhubarbin-containing rhubarb inspection methods using a thin layer of silica gel G and developing isopropanol, n-butanol and methanol (26:7:7) to detoxify niuhuang from different origins. Tablets and pills were examined. Tests have shown that any rhubarb containing rhubarb and rhubarb containing such rhubarb detoxification tablets, pills, the thin layer appear bright blue fluorescent spots around R_f0.5.