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我们在执行中国药典九五年版一部和卫生部药品标准中药成方制剂各册中,发现多数品种的薄层鉴别在供试品的制备上多采用加热回流提取的方法,操作较繁杂,特别在检品量大时,由于回流提取装置的限制,使检验周期延长,笔者在常见品种中采用将供试品尽量粉碎,加入所要求之溶剂,超声处理一定时间,再点样操作,其结果的斑点与加热回流提取后之斑点一致。另外,有个别品种供试品的制备需放置过夜,我们在实验中也采用超声处理的方法,同样获得满意效果(具体品种详见附表)。
In the implementation of the Chinese Pharmacopoeia 95th Edition and the Ministry of Health Drug Standard TCM Formulations, we found that the thin layer identification of most varieties uses the method of heated reflux extraction for the preparation of the test sample. The operation is complicated, especially When the amount of test products is large, due to the limitations of the reflux extraction device, the inspection cycle is prolonged. In the common varieties, the author tries to smash the test article as far as possible, add the required solvent, ultrasonic treatment for a certain period of time, and then sample the operation. The spot was consistent with the spot after heating and reflux extraction. In addition, there are individual varieties for the preparation of the sample to be placed overnight, we also use the method of ultrasound treatment in the experiment, also get satisfactory results (specific types see the attached table).