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樟脑为中枢兴奋药与较常用的局部刺激药。中国药典仅收载天然樟脑(d-Camphora),由于其来源有限,各地常有天然樟脑与合成樟脑(dl-Camphora,Camphora Synthetica)混用现象。为确保临床用药安全有效,1981年我们参照国外药典为生产厂制订了合成樟脑质量标准,见附表。各国药典的合成樟脑与天然樟脑除熔点与比旋度有所差别外,其他指标基本相同。国内某些地方标准中,合成樟脑的熔点较国外为低,且不控制其他杂质限量,显然是降低了本品的质量。目前
Camphor for the central stimulant drugs and more commonly used local stimulants. Chinese Pharmacopoeia only contains natural camphor (d-Camphora), due to its limited sources, natural camphor and synthetic camphor (dl-Camphora, Camphora Synthetica) often mixed everywhere. In order to ensure the safe and effective clinical use of drugs, we refer to the foreign Pharmacopoeia for the production of synthetic camphor quality standards in 1981, see the attached table. In addition to the differences between the melting point and the specific rotation of the synthetic camphor and natural camphor in the pharmacopoeias of other countries, the other indexes are basically the same. In some domestic standards, the melting point of synthetic camphor is lower than that of foreign countries, and does not control the limit of other impurities, obviously reducing the quality of the product. Currently